{"id":122,"date":"2011-11-21T14:55:24","date_gmt":"2011-11-21T06:55:24","guid":{"rendered":"http:\/\/www.sulabs.net\/?p=122"},"modified":"2017-01-09T10:36:03","modified_gmt":"2017-01-09T02:36:03","slug":"%e7%bb%8f%e5%85%b8sql%e8%af%ad%e5%8f%a5%e5%a4%a7%e5%85%a8","status":"publish","type":"post","link":"https:\/\/www.sulabs.net\/?p=122","title":{"rendered":"\u7ecf\u5178SQL\u8bed\u53e5\u5927\u5168"},"content":{"rendered":"

\u7ecf\u5178SQL\u8bed\u53e5\u5927\u5168<\/a><\/p>\n

\n
\n

\u4e00\u3001\u57fa\u7840<\/span><\/strong><\/p>\n

1<\/span><\/strong>\u3001\u8bf4\u660e\uff1a\u521b\u5efa\u6570\u636e\u5e93<\/span><\/strong>
\nCREATE DATABASE database-name<\/strong> <\/span>
\n2<\/span><\/strong>\u3001\u8bf4\u660e\uff1a\u5220\u9664\u6570\u636e\u5e93<\/span>
\ndrop database dbname<\/span><\/strong><\/p>\n

<\/span><\/strong>3<\/span>\u3001\u8bf4\u660e\uff1a\u5907\u4efd<\/span>sql server
\n<\/span>--- <\/span>\u521b\u5efa \u5907\u4efd\u6570\u636e\u7684<\/span> device
\nUSE master
\nEXEC sp_addumpdevice 'disk', 'testBack', 'c:\\mssql7backup\\MyNwind_1.dat'
\n--- \u5f00\u59cb \u5907\u4efd<\/span>
\nBACKUP DATABASE pubs TO testBack<\/span><\/strong>
\n<\/span>4<\/span>\u3001\u8bf4\u660e\uff1a\u521b\u5efa\u65b0\u8868<\/span>
\ncreate table tabname(col1 type1 [not null] [primary key],col2 type2 [not null],..)<\/span><\/strong><\/p>\n

\u6839\u636e\u5df2\u6709\u7684\u8868\u521b\u5efa\u65b0\u8868\uff1a <\/span><\/strong>
\nA\uff1acreate table tab_new like tab_old (\u4f7f\u7528\u65e7\u8868\u521b\u5efa\u65b0\u8868)<\/span><\/strong>
\nB<\/span><\/strong>\uff1acreate table tab_new as select col1,col2\u2026 from tab_old definition only<\/span><\/strong>
\n5<\/span>\u3001\u8bf4\u660e\uff1a\u5220\u9664\u65b0\u8868<\/span>
\ndrop table tabname<\/span><\/strong>
\n<\/span>6<\/span>\u3001\u8bf4\u660e\uff1a\u589e\u52a0\u4e00\u4e2a\u5217<\/span>
\nAlter table tabname add column col type<\/span><\/strong>
\n\u6ce8<\/span><\/strong>\uff1a<\/span>\u5217\u589e\u52a0\u540e\u5c06\u4e0d\u80fd\u5220\u9664\u3002DB2\u4e2d\u5217\u52a0\u4e0a\u540e\u6570\u636e\u7c7b\u578b\u4e5f\u4e0d\u80fd\u6539\u53d8\uff0c\u552f\u4e00\u80fd\u6539\u53d8\u7684\u662f\u589e\u52a0varchar\u7c7b\u578b\u7684\u957f\u5ea6\u3002<\/span>
\n<\/span>7\u3001\u8bf4\u660e\uff1a\u6dfb\u52a0\u4e3b\u952e<\/strong>\uff1a <\/span>Alter table tabname add primary key(col)
\n<\/strong>\u8bf4\u660e\uff1a\u5220\u9664\u4e3b\u952e\uff1a Alter table tabname drop primary key(col) <\/strong><\/span>
\n8\u3001\u8bf4\u660e\uff1a\u521b\u5efa\u7d22\u5f15<\/strong>\uff1a<\/span>create [unique] index idxname on tabname(col\u2026.)
\n<\/strong>\u5220\u9664\u7d22\u5f15\uff1adrop index idxname<\/strong><\/span>
\n\u6ce8\uff1a\u7d22\u5f15\u662f\u4e0d\u53ef\u66f4\u6539\u7684\uff0c\u60f3\u66f4\u6539\u5fc5\u987b\u5220\u9664\u91cd\u65b0\u5efa\u3002<\/span>
\n9<\/span><\/strong>\u3001\u8bf4\u660e\uff1a\u521b\u5efa\u89c6\u56fe<\/strong>\uff1acreate view viewname as select statement <\/span>
\n\u5220\u9664\u89c6\u56fe<\/strong>\uff1adrop view viewname<\/span>
\n10<\/span><\/strong>\u3001\u8bf4\u660e\uff1a\u51e0\u4e2a\u7b80\u5355\u7684\u57fa\u672c\u7684sql\u8bed\u53e5<\/span>
\n\u9009\u62e9\uff1a<\/span><\/strong>select * from table1 where <\/span>\u8303\u56f4<\/span>
\n\u63d2\u5165\uff1a<\/span><\/strong>insert into table1(field1,field2) values(value1,value2)
\n\u5220\u9664\uff1a<\/strong>delete from table1 where \u8303\u56f4<\/span>
\n\u66f4\u65b0<\/span><\/strong>\uff1aupdate table1 set field1=value1 where <\/span>\u8303\u56f4<\/span>
\n\u67e5\u627e<\/strong>\uff1aselect * from table1 where field1 like \u2019%value1%\u2019 ---like<\/span>\u7684\u8bed\u6cd5\u5f88\u7cbe\u5999\uff0c\u67e5\u8d44\u6599<\/span>!
\n<\/span>\u6392\u5e8f<\/strong>\uff1a<\/span>select * from table1 order by field1,field2 [desc]
\n\u603b\u6570<\/strong>\uff1a<\/span>select count as totalcount from table1
\n\u6c42\u548c<\/strong>\uff1a<\/span>select sum(field1) as sumvalue from table1
\n\u5e73\u5747<\/strong>\uff1a<\/span>select avg(field1) as avgvalue from table1
\n\u6700\u5927<\/strong>\uff1a<\/span>select max(field1) as maxvalue from table1
\n\u6700\u5c0f<\/strong>\uff1a<\/span>select min(field1) as minvalue from table1
\n<\/span>11<\/span>\u3001\u8bf4\u660e\uff1a\u51e0\u4e2a\u9ad8\u7ea7\u67e5\u8be2\u8fd0\u7b97\u8bcd<\/span>
\nA<\/span>\uff1a <\/span>UNION \u8fd0\u7b97\u7b26<\/span><\/strong>
\nUNION \u8fd0\u7b97\u7b26\u901a\u8fc7\u7ec4\u5408\u5176\u4ed6\u4e24\u4e2a\u7ed3\u679c\u8868\uff08\u4f8b\u5982 TABLE1 \u548c TABLE2\uff09\u5e76\u6d88\u53bb\u8868\u4e2d\u4efb\u4f55\u91cd\u590d\u884c\u800c\u6d3e\u751f\u51fa\u4e00\u4e2a\u7ed3\u679c\u8868\u3002\u5f53 ALL \u968f UNION \u4e00\u8d77\u4f7f\u7528\u65f6\uff08\u5373 UNION ALL\uff09\uff0c\u4e0d\u6d88\u9664\u91cd\u590d\u884c\u3002\u4e24\u79cd\u60c5\u51b5\u4e0b\uff0c\u6d3e\u751f\u8868\u7684\u6bcf\u4e00\u884c\u4e0d\u662f\u6765\u81ea TABLE1 \u5c31\u662f\u6765\u81ea TABLE2<\/span>\u3002<\/span>
\n<\/span>B<\/span>\uff1a EXCEPT \u8fd0\u7b97\u7b26<\/span>
\n<\/span>EXCEPT<\/span><\/strong> \u8fd0\u7b97\u7b26\u901a\u8fc7\u5305\u62ec\u6240\u6709\u5728 TABLE1 \u4e2d\u4f46\u4e0d\u5728 TABLE2 \u4e2d\u7684\u884c\u5e76\u6d88\u9664\u6240\u6709\u91cd\u590d\u884c\u800c\u6d3e\u751f\u51fa\u4e00\u4e2a\u7ed3\u679c\u8868\u3002\u5f53 ALL \u968f EXCEPT \u4e00\u8d77\u4f7f\u7528\u65f6 (EXCEPT ALL)\uff0c\u4e0d\u6d88\u9664\u91cd\u590d\u884c\u3002 <\/span>
\nC\uff1a INTERSECT <\/span>\u8fd0\u7b97\u7b26<\/span>
\nINTERSECT<\/span><\/strong> \u8fd0\u7b97\u7b26\u901a\u8fc7\u53ea\u5305\u62ec TABLE1 \u548c TABLE2 \u4e2d\u90fd\u6709\u7684\u884c\u5e76\u6d88\u9664\u6240\u6709\u91cd\u590d\u884c\u800c\u6d3e\u751f\u51fa\u4e00\u4e2a\u7ed3\u679c\u8868\u3002\u5f53 ALL<\/strong> <\/span>\u968f INTERSECT \u4e00\u8d77\u4f7f\u7528\u65f6 (INTERSECT ALL)\uff0c\u4e0d\u6d88\u9664\u91cd\u590d\u884c\u3002<\/span>
\n<\/span>\u6ce8\uff1a<\/strong>\u4f7f\u7528\u8fd0\u7b97\u8bcd\u7684\u51e0\u4e2a\u67e5\u8be2\u7ed3\u679c\u884c\u5fc5\u987b\u662f\u4e00\u81f4\u7684<\/span>\u3002<\/span>
\n12<\/strong><\/span>\u3001\u8bf4\u660e\uff1a\u4f7f\u7528\u5916\u8fde\u63a5<\/span>
\n<\/span><\/strong>A\u3001left \uff08outer\uff09 join<\/strong>\uff1a<\/span>
\n\u5de6<\/span>\u5916\u8fde\u63a5\uff08\u5de6\u8fde\u63a5\uff09\uff1a\u7ed3\u679c\u96c6\u51e0\u5305\u62ec\u8fde\u63a5\u8868\u7684\u5339\u914d\u884c\uff0c\u4e5f\u5305\u62ec\u5de6\u8fde\u63a5\u8868\u7684\u6240\u6709\u884c\u3002<\/span>
\nSQL: select a.a, a.b, a.c, b.c, b.d, b.f from a LEFT OUT JOIN b ON a.a = b.c
\n<\/span>B\uff1aright \uff08outer\uff09 join: <\/span><\/strong>
\n\u53f3\u5916\u8fde\u63a5(\u53f3\u8fde\u63a5)\uff1a\u7ed3\u679c\u96c6\u65e2\u5305\u62ec\u8fde\u63a5\u8868\u7684\u5339\u914d\u8fde\u63a5\u884c\uff0c\u4e5f\u5305\u62ec\u53f3\u8fde\u63a5\u8868\u7684\u6240\u6709\u884c\u3002<\/span>
\n<\/span>C\uff1afull\/cross \uff08outer\uff09 join<\/span><\/strong>\uff1a<\/span>
\n<\/span>\u5168\u5916\u8fde\u63a5\uff1a\u4e0d\u4ec5\u5305\u62ec\u7b26\u53f7\u8fde\u63a5\u8868\u7684\u5339\u914d\u884c\uff0c\u8fd8\u5305\u62ec\u4e24\u4e2a\u8fde\u63a5\u8868\u4e2d\u7684\u6240\u6709\u8bb0\u5f55\u3002<\/span>
\n12<\/span><\/strong>\u3001\u5206\u7ec4<\/span>:Group by:
\n<\/span><\/strong>\u4e00\u5f20\u8868\uff0c\u4e00\u65e6\u5206\u7ec4 \u5b8c\u6210\u540e\uff0c\u67e5\u8be2\u540e\u53ea\u80fd\u5f97\u5230\u7ec4\u76f8\u5173\u7684\u4fe1\u606f\u3002<\/span>
\n\u00a0\u00a0\u00a0 <\/span>\u7ec4\u76f8\u5173\u7684\u4fe1\u606f\uff1a<\/span><\/strong>\uff08\u7edf\u8ba1\u4fe1\u606f\uff09 count,sum,max,min,avg <\/strong><\/span>\u5206\u7ec4\u7684\u6807\u51c6<\/span>)
\n<\/span><\/strong>\u00a0 \u5728SQLServer\u4e2d\u5206\u7ec4\u65f6\uff1a\u4e0d\u80fd\u4ee5text,ntext,image\u7c7b\u578b\u7684\u5b57\u6bb5\u4f5c\u4e3a\u5206\u7ec4\u4f9d\u636e<\/span>
\n\u00a0\u00a0 <\/span>\u5728selecte\u7edf\u8ba1\u51fd\u6570\u4e2d\u7684\u5b57\u6bb5\uff0c\u4e0d\u80fd\u548c\u666e\u901a\u7684\u5b57\u6bb5\u653e\u5728\u4e00\u8d77\uff1b<\/span><\/strong><\/p>\n

13<\/span>\u3001\u5bf9\u6570\u636e\u5e93\u8fdb\u884c\u64cd\u4f5c\uff1a<\/span>
\n\u00a0\u00a0 <\/span>\u5206\u79bb\u6570\u636e\u5e93<\/span><\/strong>\uff1a sp_detach_db; \u9644\u52a0\u6570\u636e\u5e93<\/strong><\/span>\uff1asp_attach_db <\/strong>\u540e\u63a5\u8868\u660e\uff0c\u9644\u52a0\u9700\u8981\u5b8c\u6574\u7684\u8def\u5f84\u540d<\/span>
\n14.<\/span><\/strong>\u5982\u4f55\u4fee\u6539\u6570\u636e\u5e93\u7684\u540d\u79f0:<\/span><\/strong>
\nsp_renamedb 'old_name', 'new_name'<\/span><\/p>\n

 <\/p>\n

\u4e8c\u3001\u63d0\u5347<\/span><\/strong><\/strong><\/p>\n

1<\/span>\u3001\u8bf4\u660e\uff1a\u590d\u5236\u8868(\u53ea\u590d\u5236\u7ed3\u6784,\u6e90\u8868\u540d\uff1aa \u65b0\u8868\u540d\uff1ab) (Access\u53ef\u7528<\/span>)
\n<\/span>\u6cd5\u4e00\uff1a<\/span><\/strong>select * into b from a where 1<>1\uff08\u4ec5\u7528\u4e8eSQlServer\uff09<\/span>
\n\u6cd5\u4e8c\uff1a<\/span><\/strong>select top 0 * into b from a
\n<\/span>2<\/span>\u3001\u8bf4\u660e\uff1a\u62f7\u8d1d\u8868(\u62f7\u8d1d\u6570\u636e,\u6e90\u8868\u540d\uff1aa \u76ee\u6807\u8868\u540d\uff1ab) (Access\u53ef\u7528<\/span>)
\n<\/span><\/strong>insert into b(a, b, c) select d,e,f from b;<\/span><\/p>\n

3<\/span>\u3001\u8bf4\u660e\uff1a\u8de8\u6570\u636e\u5e93\u4e4b\u95f4\u8868\u7684\u62f7\u8d1d(\u5177\u4f53\u6570\u636e\u4f7f\u7528\u7edd\u5bf9\u8def\u5f84) (Access\u53ef\u7528<\/span>)
\n<\/span><\/strong>insert into b(a, b, c) select d,e,f from b in \u2018<\/span>\u5177\u4f53\u6570\u636e\u5e93\u2019 where \u6761\u4ef6<\/span>
\n\u4f8b\u5b50\uff1a..from b in '\"&Server.MapPath(\".\")&\"\\data.mdb\" &\"' where..<\/span><\/p>\n

4<\/span>\u3001\u8bf4\u660e\uff1a\u5b50\u67e5\u8be2(\u8868\u540d1\uff1aa \u8868\u540d2\uff1a<\/span>b)
\n<\/span><\/strong>select a,b,c from a where a IN (select d from b ) \u6216\u8005: select a,b,c from a where a IN (1,2,3)<\/span><\/p>\n

5<\/span>\u3001\u8bf4\u660e\uff1a\u663e\u793a\u6587\u7ae0\u3001\u63d0\u4ea4\u4eba\u548c\u6700\u540e\u56de\u590d\u65f6\u95f4<\/span>
\n<\/strong>select a.title,a.username,b.adddate from table a,(select max(adddate) adddate from table where table.title=a.title) b<\/span><\/p>\n

6<\/span>\u3001\u8bf4\u660e\uff1a\u5916\u8fde\u63a5\u67e5\u8be2(\u8868\u540d1\uff1aa \u8868\u540d2\uff1a<\/span>b)
\n<\/span><\/strong>select a.a, a.b, a.c, b.c, b.d, b.f from a LEFT OUT JOIN b ON a.a = b.c<\/span><\/p>\n

7<\/span>\u3001\u8bf4\u660e\uff1a\u5728\u7ebf\u89c6\u56fe\u67e5\u8be2(\u8868\u540d1\uff1a<\/span>a )
\n<\/span><\/strong>select * from (SELECT a,b,c FROM a) T where t.a > 1;<\/span><\/p>\n

8<\/span>\u3001\u8bf4\u660e\uff1abetween\u7684\u7528\u6cd5,between\u9650\u5236\u67e5\u8be2\u6570\u636e\u8303\u56f4\u65f6\u5305\u62ec\u4e86\u8fb9\u754c\u503c,not between\u4e0d\u5305\u62ec<\/span>
\n<\/strong>select * from table1 where time between time1 and time2
\nselect a,b,c, from table1 where a not between \u6570\u503c1 and \u6570\u503c2<\/span><\/p>\n

9<\/span>\u3001\u8bf4\u660e\uff1ain \u7684\u4f7f\u7528\u65b9\u6cd5<\/span>
\n<\/strong>select * from table1 where a [not] in (\u2018\u503c<\/span>1\u2019,\u2019\u503c2\u2019,\u2019\u503c4\u2019,\u2019\u503c6\u2019)<\/span><\/p>\n

10<\/span>\u3001\u8bf4\u660e\uff1a\u4e24\u5f20\u5173\u8054\u8868\uff0c\u5220\u9664\u4e3b\u8868\u4e2d\u5df2\u7ecf\u5728\u526f\u8868\u4e2d\u6ca1\u6709\u7684\u4fe1\u606f<\/span>
\n<\/span><\/strong>delete from table1 where not exists ( select * from table2 where table1.field1=table2.field1 )<\/span><\/p>\n

11<\/span>\u3001\u8bf4\u660e\uff1a\u56db\u8868\u8054\u67e5\u95ee\u9898\uff1a<\/span>
\n<\/strong>select * from a left inner join b on a.a=b.b right inner join c on a.a=c.c inner join d on a.a=d.d where .....<\/span><\/p>\n

12<\/span>\u3001\u8bf4\u660e\uff1a\u65e5\u7a0b\u5b89\u6392\u63d0\u524d\u4e94\u5206\u949f\u63d0\u9192<\/span>
\n<\/span><\/strong>SQL: select * from \u65e5\u7a0b\u5b89\u6392 where datediff('minute',f\u5f00\u59cb\u65f6\u95f4,getdate())>5<\/span><\/p>\n

13<\/span><\/strong>\u3001\u8bf4\u660e\uff1a\u4e00\u6761<\/strong>sql <\/span><\/strong>\u8bed\u53e5\u641e\u5b9a\u6570\u636e\u5e93\u5206\u9875<\/strong>
\n<\/strong>select top 10 b.* from (select top 20 <\/span>\u4e3b\u952e\u5b57\u6bb5,<\/span>\u6392\u5e8f\u5b57\u6bb5 from <\/span>\u8868\u540d order by <\/span>\u6392\u5e8f\u5b57\u6bb5 desc) a,<\/span>\u8868\u540d b where b.<\/span>\u4e3b\u952e\u5b57\u6bb5 = a.<\/span>\u4e3b\u952e\u5b57\u6bb5 order by a.<\/span>\u6392\u5e8f\u5b57\u6bb5
\n\u5177\u4f53\u5b9e\u73b0\uff1a<\/strong>
\n\u5173\u4e8e\u6570\u636e\u5e93\u5206\u9875\uff1a<\/p>\n

declare @start int,@end int<\/p>\n

@sql\u00a0 nvarchar(600)<\/p>\n

set @sql=\u2019select top\u2019+str(@end-@start+1)+\u2019+from T where rid not in(select top\u2019+str(@str-1)+\u2019Rid from T where Rid>-1)\u2019<\/p>\n

exec sp_executesql @sql
\n\u6ce8\u610f\uff1a\u5728<\/strong>top<\/strong>\u540e\u4e0d\u80fd\u76f4\u63a5\u8ddf\u4e00\u4e2a\u53d8\u91cf\uff0c\u6240\u4ee5\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u53ea\u6709\u8fd9\u6837\u7684\u8fdb\u884c\u7279\u6b8a\u7684\u5904\u7406\u3002<\/strong>Rid<\/strong>\u4e3a\u4e00\u4e2a\u6807\u8bc6\u5217\uff0c\u5982\u679c<\/strong>top<\/strong>\u540e\u8fd8\u6709\u5177\u4f53\u7684\u5b57\u6bb5\uff0c\u8fd9\u6837\u505a\u662f\u975e\u5e38\u6709\u597d\u5904\u7684\u3002\u56e0\u4e3a\u8fd9\u6837\u53ef\u4ee5\u907f\u514d<\/strong> top<\/strong>\u7684\u5b57\u6bb5\u5982\u679c\u662f\u903b\u8f91\u7d22\u5f15\u7684\uff0c\u67e5\u8be2\u7684\u7ed3\u679c\u540e\u5b9e\u9645\u8868\u4e2d\u7684\u4e0d\u4e00\u81f4\uff08<\/strong>\u903b\u8f91\u7d22\u5f15\u4e2d\u7684\u6570\u636e\u6709\u53ef\u80fd\u548c\u6570\u636e\u8868\u4e2d\u7684\u4e0d\u4e00\u81f4\uff0c\u800c\u67e5\u8be2\u65f6\u5982\u679c\u5904\u5728\u7d22\u5f15\u5219\u9996\u5148\u67e5\u8be2\u7d22\u5f15<\/strong>\uff09<\/strong><\/strong><\/p>\n

14<\/span>\u3001\u8bf4\u660e\uff1a\u524d10\u6761\u8bb0\u5f55<\/span>
\n<\/strong>select top 10 * form table1 where \u8303\u56f4<\/span><\/p>\n

15<\/span>\u3001\u8bf4\u660e\uff1a\u9009\u62e9\u5728\u6bcf\u4e00\u7ec4b\u503c\u76f8\u540c\u7684\u6570\u636e\u4e2d\u5bf9\u5e94\u7684a\u6700\u5927\u7684\u8bb0\u5f55\u7684\u6240\u6709\u4fe1\u606f(\u7c7b\u4f3c\u8fd9\u6837\u7684\u7528\u6cd5\u53ef\u4ee5\u7528\u4e8e\u8bba\u575b\u6bcf\u6708\u6392\u884c\u699c,\u6bcf\u6708\u70ed\u9500\u4ea7\u54c1\u5206\u6790,\u6309\u79d1\u76ee\u6210\u7ee9\u6392\u540d,\u7b49\u7b49<\/span>.)
\n<\/span><\/strong>select a,b,c from tablename ta where a=(select max(a) from tablename tb where tb.b=ta.b)<\/span><\/p>\n

16\u3001\u8bf4\u660e\uff1a\u5305\u62ec\u6240\u6709\u5728 TableA \u4e2d\u4f46\u4e0d\u5728 TableB\u548cTableC <\/span>\u4e2d\u7684\u884c\u5e76\u6d88\u9664\u6240\u6709\u91cd\u590d\u884c\u800c\u6d3e\u751f\u51fa\u4e00\u4e2a\u7ed3\u679c\u8868<\/span>
\n<\/strong>(select a from tableA ) except (select a from tableB) except (select a from tableC)<\/span><\/p>\n

17<\/span>\u3001\u8bf4\u660e\uff1a\u968f\u673a\u53d6\u51fa10\u6761\u6570\u636e<\/span>
\n<\/strong>select top 10 * from tablename order by newid()<\/strong><\/span><\/p>\n

18<\/span>\u3001\u8bf4\u660e\uff1a\u968f\u673a\u9009\u62e9\u8bb0\u5f55<\/span>
\n<\/strong>select newid()<\/span><\/p>\n

19<\/span>\u3001\u8bf4\u660e\uff1a\u5220\u9664\u91cd\u590d\u8bb0\u5f55<\/span>
\n1),<\/span><\/strong>delete from tablename where id not in (select max(id) from tablename group by col1,col2,...)
\n2)<\/strong>,select distinct * into temp from tablename<\/span>
\n\u00a0 delete from <\/span>tablename<\/span>
\n\u00a0 insert into <\/span>tablename<\/span> select * from temp
\n<\/span>\u8bc4\u4ef7\uff1a \u8fd9\u79cd\u64cd\u4f5c\u7275\u8fde\u5927\u91cf\u7684\u6570\u636e\u7684\u79fb\u52a8\uff0c\u8fd9\u79cd\u505a\u6cd5\u4e0d\u9002\u5408\u5927\u5bb9\u91cf\u4f46\u6570\u636e\u64cd\u4f5c<\/span>
\n3),\u4f8b\u5982\uff1a\u5728\u4e00\u4e2a\u5916\u90e8\u8868\u4e2d\u5bfc\u5165\u6570\u636e\uff0c\u7531\u4e8e\u67d0\u4e9b\u539f\u56e0\u7b2c\u4e00\u6b21\u53ea\u5bfc\u5165\u4e86\u4e00\u90e8\u5206\uff0c\u4f46\u5f88\u96be\u5224\u65ad\u5177\u4f53\u4f4d\u7f6e\uff0c\u8fd9\u6837\u53ea\u6709\u5728\u4e0b\u4e00\u6b21\u5168\u90e8\u5bfc\u5165\uff0c\u8fd9\u6837\u4e5f\u5c31\u4ea7\u751f\u597d\u591a\u91cd\u590d\u7684\u5b57\u6bb5\uff0c\u600e\u6837\u5220\u9664\u91cd\u590d\u5b57\u6bb5<\/span><\/strong><\/strong><\/p>\n

alter table <\/span>tablename
\n--<\/span>\u6dfb\u52a0\u4e00\u4e2a\u81ea\u589e\u5217<\/span>
\nadd\u00a0 column_b<\/span> int identity(1,1)
\ndelete from tablename<\/span> where column_b not in(
\nselect max(column_b)\u00a0 from tablename group by column1,column2,...<\/span>)
\nalter table tablename drop column column_b<\/span><\/p>\n

20<\/span>\u3001\u8bf4\u660e\uff1a\u5217\u51fa\u6570\u636e\u5e93\u91cc\u6240\u6709\u7684\u8868\u540d<\/span>
\n<\/strong>select name from sysobjects where type='U' \/\/ U\u4ee3\u8868\u7528\u6237<\/span><\/p>\n

21<\/span>\u3001\u8bf4\u660e\uff1a\u5217\u51fa\u8868\u91cc\u7684\u6240\u6709\u7684\u5217\u540d<\/span>
\n<\/strong>select name from syscolumns where id=object_id('TableName')<\/span><\/p>\n

22<\/span>\u3001\u8bf4\u660e\uff1a\u5217\u793atype\u3001vender\u3001pcs\u5b57\u6bb5\uff0c\u4ee5type\u5b57\u6bb5\u6392\u5217\uff0ccase\u53ef\u4ee5\u65b9\u4fbf\u5730\u5b9e\u73b0\u591a\u91cd\u9009\u62e9\uff0c\u7c7b\u4f3cselect \u4e2d\u7684case\u3002<\/span>
\n<\/strong>select type,sum(case vender when 'A' then pcs else 0 end),sum(case vender when 'C' then pcs else 0 end),sum(case vender when 'B' then pcs else 0 end) FROM tablename group by type
\n<\/span>\u663e\u793a\u7ed3\u679c\uff1a<\/span>
\ntype vender pcs
\n<\/span><\/strong>\u7535\u8111<\/span> A 1
\n\u7535\u8111<\/span> A 1
\n\u5149\u76d8<\/span> B 2
\n\u5149\u76d8<\/span> A 2
\n\u624b\u673a<\/span> B 3
\n\u624b\u673a C 3<\/span><\/p>\n

23\u3001\u8bf4\u660e\uff1a\u521d\u59cb\u5316\u8868table1<\/span><\/strong><\/strong><\/p>\n

TRUNCATE TABLE table1<\/span><\/p>\n

24<\/span>\u3001\u8bf4\u660e\uff1a\u9009\u62e9\u4ece10\u523015\u7684\u8bb0\u5f55<\/span>
\n<\/strong>select top 5 * from (select top 15 * from table order by id asc) table_\u522b\u540d order by id desc<\/span><\/p>\n

\u4e09\u3001\u6280\u5de7<\/strong><\/strong><\/p>\n

1\u30011=1\uff0c1=2\u7684\u4f7f\u7528\uff0c\u5728SQL\u8bed\u53e5\u7ec4\u5408\u65f6\u7528\u7684\u8f83\u591a<\/span><\/strong><\/strong><\/p>\n

\u201cwhere 1=1\u201d \u662f\u8868\u793a\u9009\u62e9\u5168\u90e8\u00a0\u00a0\u00a0 \u201cwhere 1=2\u201d\u5168\u90e8\u4e0d\u9009\uff0c<\/span><\/strong>
\n\u5982\uff1a<\/span>
\nif @strWhere !=''
\nbegin
\nset @strSQL = 'select count(*) as Total from [' + @tblName + '] where ' + @strWhere
\nend
\nelse
\nbegin
\nset @strSQL = 'select count(*) as Total from [' + @tblName + ']'
\nend <\/span><\/p>\n

\u6211\u4eec\u53ef\u4ee5\u76f4\u63a5\u5199\u6210<\/strong><\/span><\/p>\n

\u9519\u8bef\uff01\u672a\u627e\u5230\u76ee\u5f55\u9879\u3002<\/span>
\nset @strSQL = 'select count(*) as Total from [' + @tblName + '] where 1=1 <\/span>\u5b89\u5b9a '+ @strWhere 2<\/span>\u3001\u6536\u7f29\u6570\u636e\u5e93<\/span>
\n<\/strong>--<\/span>\u91cd\u5efa\u7d22\u5f15<\/span>
\nDBCC REINDEX
\nDBCC INDEXDEFRAG
\n--<\/span>\u6536\u7f29\u6570\u636e\u548c\u65e5\u5fd7<\/span>
\nDBCC SHRINKDB
\nDBCC SHRINKFILE<\/span><\/p>\n

3<\/span>\u3001\u538b\u7f29\u6570\u636e\u5e93<\/span>
\n<\/strong>dbcc shrinkdatabase(dbname)<\/span><\/p>\n

4<\/span>\u3001\u8f6c\u79fb\u6570\u636e\u5e93\u7ed9\u65b0\u7528\u6237\u4ee5\u5df2\u5b58\u5728\u7528\u6237\u6743\u9650<\/span>
\n<\/strong>exec sp_change_users_login 'update_one','newname','oldname'
\ngo<\/span><\/p>\n

5<\/span>\u3001\u68c0\u67e5\u5907\u4efd\u96c6<\/span>
\n<\/strong>RESTORE VERIFYONLY from disk='E:\\dvbbs.bak'<\/span><\/p>\n

6<\/span>\u3001\u4fee\u590d\u6570\u636e\u5e93<\/span>
\n<\/strong>ALTER DATABASE [dvbbs] SET SINGLE_USER
\nGO
\nDBCC CHECKDB('dvbbs',repair_allow_data_loss) WITH TABLOCK
\nGO
\nALTER DATABASE [dvbbs] SET MULTI_USER
\nGO<\/span><\/p>\n

7<\/span>\u3001\u65e5\u5fd7\u6e05\u9664<\/span>
\n<\/strong>SET NOCOUNT ON
\nDECLARE @LogicalFileName sysname,
\n@MaxMinutes INT,
\n@NewSize INT<\/span>
\nUSE tablename -- <\/span>\u8981\u64cd\u4f5c\u7684\u6570\u636e\u5e93\u540d<\/span>
\nSELECT @LogicalFileName = 'tablename_log', -- <\/span>\u65e5\u5fd7\u6587\u4ef6\u540d<\/span>
\n@MaxMinutes = 10, -- Limit on time allowed to wrap log.
\n@NewSize = 1 -- <\/span>\u4f60\u60f3\u8bbe\u5b9a\u7684\u65e5\u5fd7\u6587\u4ef6\u7684\u5927\u5c0f(M)<\/span><\/p>\n

Setup \/ initialize
\nDECLARE @OriginalSize int
\nSELECT @OriginalSize = size
\nFROM sysfiles
\nWHERE name = @LogicalFileName
\nSELECT 'Original Size of ' + db_name() + ' LOG is ' +
\nCONVERT(VARCHAR(30),@OriginalSize) + ' 8K pages or ' +
\nCONVERT(VARCHAR(30),(@OriginalSize*8\/1024)) + 'MB'
\nFROM sysfiles
\nWHERE name = @LogicalFileName
\nCREATE TABLE DummyTrans
\n(DummyColumn char (8000) not null)<\/span>
\nDECLARE @Counter\u00a0\u00a0\u00a0 INT,
\n@StartTime DATETIME,
\n@TruncLog\u00a0\u00a0 VARCHAR(255)
\nSELECT @StartTime = GETDATE(),
\n@TruncLog = 'BACKUP LOG ' + db_name() + ' WITH TRUNCATE_ONLY'<\/span><\/p>\n

DBCC SHRINKFILE (@LogicalFileName, @NewSize)
\nEXEC (@TruncLog)
\n-- Wrap the log if necessary.
\nWHILE @MaxMinutes > DATEDIFF (mi, @StartTime, GETDATE()) -- time has not expired
\nAND @OriginalSize = (SELECT size FROM sysfiles WHERE name = @LogicalFileName)
\nAND (@OriginalSize * 8 \/1024) > @NewSize
\nBEGIN -- Outer loop.
\nSELECT @Counter = 0
\nWHILE\u00a0\u00a0 ((@Counter < @OriginalSize \/ 16) AND (@Counter < 50000))
\nBEGIN -- update
\nINSERT DummyTrans VALUES ('Fill Log') DELETE DummyTrans
\nSELECT @Counter = @Counter + 1
\nEND
\nEXEC (@TruncLog)
\nEND
\nSELECT 'Final Size of ' + db_name() + ' LOG is ' +
\nCONVERT(VARCHAR(30),size) + ' 8K pages or ' +
\nCONVERT(VARCHAR(30),(size*8\/1024)) + 'MB'
\nFROM sysfiles
\nWHERE name = @LogicalFileName
\nDROP TABLE DummyTrans
\nSET NOCOUNT OFF <\/span><\/p>\n

8<\/span>\u3001\u8bf4\u660e\uff1a\u66f4\u6539\u67d0\u4e2a\u8868<\/span>
\n<\/strong>exec sp_changeobjectowner 'tablename','dbo'<\/span><\/p>\n

9\u3001\u5b58\u50a8\u66f4\u6539\u5168\u90e8\u8868<\/span><\/strong><\/strong><\/p>\n

CREATE PROCEDURE dbo.User_ChangeObjectOwnerBatch
\n@OldOwner as NVARCHAR(128),
\n@NewOwner as NVARCHAR(128)
\nAS<\/span><\/p>\n

DECLARE @Name\u00a0\u00a0\u00a0 as NVARCHAR(128)
\nDECLARE @Owner\u00a0\u00a0 as NVARCHAR(128)
\nDECLARE @OwnerName\u00a0\u00a0 as NVARCHAR(128)<\/span><\/p>\n

DECLARE curObject CURSOR FOR
\nselect 'Name'\u00a0\u00a0\u00a0 = name,
\n'Owner'\u00a0\u00a0\u00a0 = user_name(uid)
\nfrom sysobjects
\nwhere user_name(uid)=@OldOwner
\norder by name<\/span><\/p>\n

OPEN\u00a0\u00a0 curObject
\nFETCH NEXT FROM curObject INTO @Name, @Owner
\nWHILE(@@FETCH_STATUS=0)
\nBEGIN
\nif @Owner=@OldOwner
\nbegin
\nset @OwnerName = @OldOwner + '.' + rtrim(@Name)
\nexec sp_changeobjectowner @OwnerName, @NewOwner
\nend
\n-- select @name,@NewOwner,@OldOwner<\/span><\/p>\n

FETCH NEXT FROM curObject INTO @Name, @Owner
\nEND<\/span><\/p>\n

close curObject
\ndeallocate curObject
\nGO<\/span>
\n10<\/span>\u3001SQL SERVER\u4e2d\u76f4\u63a5\u5faa\u73af\u5199\u5165\u6570\u636e<\/span>
\n<\/strong>declare @i int
\nset @i=1
\nwhile @i<30
\nbegin
\n<\/span>\u00a0\u00a0 insert into test (userid) values(@i)
\n<\/span>\u00a0\u00a0 set @i=@i+1
\nend
\n\u6848\u4f8b<\/strong><\/span>\uff1a<\/span>
\n<\/strong>\u6709\u5982\u4e0b\u8868\uff0c\u8981\u6c42\u5c31\u88f1\u4e2d\u6240\u6709\u6c92\u6709\u53ca\u683c\u7684\u6210\u7e3e\uff0c\u5728\u6bcf\u6b21\u589e\u95770.1\u7684\u57fa\u790e\u4e0a\uff0c\u4f7f\u4ed6\u5011\u525b\u597d\u53ca\u683c:<\/strong><\/span><\/p>\n

\u00a0\u00a0\u00a0 Name\u00a0\u00a0\u00a0\u00a0 score<\/span><\/p>\n

\u00a0\u00a0\u00a0 Zhangshan\u00a0\u00a0 80<\/span><\/p>\n

\u00a0\u00a0\u00a0 Lishi \u00a0\u00a0\u00a0\u00a0\u00a0 59<\/span><\/p>\n

\u00a0\u00a0\u00a0 Wangwu \u00a0\u00a0\u00a0\u00a0 50<\/span><\/p>\n

\u00a0\u00a0\u00a0 Songquan\u00a0\u00a0\u00a0 69<\/span><\/p>\n

while((select <\/strong>min<\/strong>(score) from tb_table)<<\/strong>60<\/strong>)<\/strong><\/span><\/p>\n

begin<\/span><\/strong><\/p>\n

update tb_table set score <\/strong>=<\/strong>score*<\/strong>1.01<\/strong> <\/strong><\/span><\/p>\n

where score<\/strong><60<\/strong><\/strong><\/span><\/p>\n

if\u00a0 (select <\/strong>min<\/strong>(score) from tb_table)<\/strong>>60<\/strong><\/strong><\/span><\/p>\n

\u00a0 break<\/span><\/strong><\/p>\n

else<\/span><\/strong><\/p>\n

\u00a0\u00a0\u00a0 continue<\/span><\/strong><\/p>\n

end<\/span><\/strong><\/p>\n

 <\/p>\n

\u6570\u636e\u5f00\u53d1-\u7ecf\u5178<\/strong><\/strong><\/p>\n

1.\u6309\u59d3\u6c0f\u7b14\u753b\u6392\u5e8f:<\/span><\/strong>
\nSelect * From TableName Order By CustomerName Collate Chinese_PRC_Stroke_ci_as \/\/<\/span>\u4ece\u5c11\u5230\u591a<\/span><\/p>\n

2.\u6570\u636e\u5e93\u52a0\u5bc6:<\/span><\/strong>
\n<\/strong>select encrypt('<\/span>\u539f\u59cb\u5bc6\u7801<\/span>')
\nselect pwdencrypt('\u539f\u59cb\u5bc6\u7801<\/span>')
\nselect pwdcompare('\u539f\u59cb\u5bc6\u7801','\u52a0\u5bc6\u540e\u5bc6\u7801') = 1--\u76f8\u540c\uff1b\u5426\u5219\u4e0d\u76f8\u540c encrypt('\u539f\u59cb\u5bc6\u7801<\/span>')
\nselect pwdencrypt('\u539f\u59cb\u5bc6\u7801<\/span>')
\nselect pwdcompare('\u539f\u59cb\u5bc6\u7801','\u52a0\u5bc6\u540e\u5bc6\u7801') = 1--\u76f8\u540c\uff1b\u5426\u5219\u4e0d\u76f8\u540c<\/span><\/p>\n

3.<\/span>\u53d6\u56de\u8868\u4e2d\u5b57\u6bb5<\/span>:
\n<\/span><\/strong>declare @list varchar(1000),
\n@sql nvarchar(1000)
\nselect @list=@list+','+b.name from sysobjects a,syscolumns b where a.id=b.id and a.name='<\/span>\u8868<\/span>A'
\n<\/span>set @sql='select '+right(@list,len(@list)-1)+' from \u8868A<\/span>'
\nexec (@sql)<\/span><\/p>\n

4.<\/span>\u67e5\u770b\u786c\u76d8\u5206\u533a<\/span>:
\n<\/span>EXEC master..xp_fixeddrives<\/span><\/strong><\/strong><\/p>\n

5.<\/span>\u6bd4\u8f83A,B\u8868\u662f\u5426\u76f8\u7b49<\/span>:
\n<\/span><\/strong>if (select checksum_agg(binary_checksum(*)) from A)
\n=
\n(select checksum_agg(binary_checksum(*)) from B)
\nprint '<\/span>\u76f8\u7b49<\/span>'
\nelse
\nprint '\u4e0d\u76f8\u7b49'<\/span><\/p>\n

6.<\/span>\u6740\u6389\u6240\u6709\u7684\u4e8b\u4ef6\u63a2\u5bdf\u5668\u8fdb\u7a0b<\/span>:
\n<\/span><\/strong>DECLARE hcforeach CURSOR GLOBAL FOR SELECT 'kill '+RTRIM(spid) FROM master.dbo.sysprocesses
\nWHERE program_name IN('SQL profiler',N'SQL <\/span>\u4e8b\u4ef6\u63a2\u67e5\u5668<\/span>')
\nEXEC sp_msforeach_worker '?<\/span>'<\/span><\/p>\n

7.<\/span><\/strong>\u8bb0\u5f55\u641c\u7d22<\/strong>:
\n<\/span><\/strong>\u5f00\u5934\u5230<\/strong>N<\/span><\/strong>\u6761\u8bb0\u5f55<\/strong>
\n<\/strong>Select Top N * From <\/span>\u8868
\n-------------------------------
\nN<\/strong><\/span>\u5230<\/strong>M<\/span><\/strong>\u6761\u8bb0\u5f55<\/strong>(<\/span><\/strong>\u8981\u6709\u4e3b\u7d22\u5f15<\/strong><\/span>ID)
\n<\/strong>Select Top M-N * From <\/span>\u8868 Where ID in (Select Top M ID From <\/span>\u8868) Order by ID\u00a0\u00a0 Desc
\n----------------------------------
\nN<\/strong><\/span>\u5230\u7ed3\u5c3e\u8bb0\u5f55<\/strong>
\n<\/strong>Select Top N * From <\/span>\u8868 Order by ID Desc
\n<\/span>\u6848\u4f8b
\n<\/strong>\u4f8b\u59821\uff1a\u4e00\u5f20\u8868\u6709\u4e00\u4e07\u591a\u6761\u8bb0\u5f55\uff0c\u8868\u7684\u7b2c\u4e00\u4e2a\u5b57\u6bb5 RecID \u662f\u81ea\u589e\u957f\u5b57\u6bb5\uff0c \u5199\u4e00\u4e2aSQL\u8bed\u53e5\uff0c \u627e\u51fa\u8868\u7684\u7b2c<\/strong>31<\/strong>\u5230\u7b2c<\/strong>40<\/strong>\u4e2a\u8bb0\u5f55\u3002<\/strong><\/p>\n

select top 10 recid from A where recid not\u00a0 in(select top 30 recid from A)<\/p>\n

\u5206\u6790\uff1a\u5982\u679c\u8fd9\u6837\u5199\u4f1a\u4ea7\u751f\u67d0\u4e9b\u95ee\u9898\uff0c\u5982\u679crecid\u5728\u8868\u4e2d\u5b58\u5728\u903b\u8f91\u7d22\u5f15\u3002<\/p>\n

select top 10 recid from A where\u2026\u2026\u662f\u4ece\u7d22\u5f15\u4e2d\u67e5\u627e\uff0c\u800c\u540e\u9762\u7684select top 30 recid from A\u5219\u5728\u6570\u636e\u8868\u4e2d\u67e5\u627e\uff0c\u8fd9\u6837\u7531\u4e8e\u7d22\u5f15\u4e2d\u7684\u987a\u5e8f\u6709\u53ef\u80fd\u548c\u6570\u636e\u8868\u4e2d\u7684\u4e0d\u4e00\u81f4\uff0c\u8fd9\u6837\u5c31\u5bfc\u81f4\u67e5\u8be2\u5230\u7684\u4e0d\u662f\u672c\u6765\u7684\u6b32\u5f97\u5230\u7684\u6570\u636e\u3002<\/p>\n

\u89e3\u51b3\u65b9\u6848<\/strong><\/p>\n

1\uff0c <\/strong>\u7528order by <\/strong>select top 30 recid from A order by ricid \u5982\u679c\u8be5\u5b57\u6bb5\u4e0d\u662f\u81ea\u589e\u957f\uff0c\u5c31\u4f1a\u51fa\u73b0\u95ee\u9898<\/strong><\/p>\n

2\uff0c<\/span><\/strong>\u5728\u90a3\u4e2a\u5b50\u67e5\u8be2\u4e2d\u4e5f\u52a0\u6761\u4ef6\uff1a<\/strong>select top 30 recid from A where recid>-1<\/strong><\/span><\/p>\n

\u4f8b2<\/span><\/strong>\uff1a\u67e5\u8be2\u8868\u4e2d\u7684\u6700\u540e\u4ee5\u6761\u8bb0\u5f55\uff0c\u5e76\u4e0d\u77e5\u9053\u8fd9\u4e2a\u8868\u5171\u6709\u591a\u5c11\u6570\u636e,<\/span><\/strong>\u4ee5\u53ca\u8868\u7ed3\u6784\u3002
\nset @s = 'select top 1 * from T\u00a0\u00a0 where pid not in (select top ' + str(@count-1) + ' pid\u00a0 from T)'<\/span><\/strong><\/p>\n

print @s\u00a0\u00a0\u00a0\u00a0\u00a0 exec\u00a0 sp_executesql\u00a0 @s<\/span><\/strong><\/p>\n

9\uff1a\u83b7\u53d6\u5f53\u524d\u6570\u636e\u5e93\u4e2d\u7684\u6240\u6709\u7528\u6237\u8868<\/span><\/strong>
\nselect Name from sysobjects where xtype='u' and status>=0<\/span><\/p>\n

10<\/span>\uff1a\u83b7\u53d6\u67d0\u4e00\u4e2a\u8868\u7684\u6240\u6709\u5b57\u6bb5<\/span>
\n<\/strong>select name from syscolumns where id=object_id('\u8868\u540d')<\/span><\/p>\n

select name from syscolumns where id in (select id from sysobjects where type = 'u' and name = '\u8868\u540d')<\/span><\/p>\n

\u4e24\u79cd\u65b9\u5f0f\u7684\u6548\u679c\u76f8\u540c<\/span><\/p>\n

11\uff1a\u67e5\u770b\u4e0e\u67d0\u4e00\u4e2a\u8868\u76f8\u5173\u7684\u89c6\u56fe\u3001\u5b58\u50a8\u8fc7\u7a0b\u3001\u51fd\u6570<\/span><\/strong>
\n<\/strong>select a.* from sysobjects a, syscomments b where a.id = b.id and b.text like '%\u8868\u540d%'<\/span><\/p>\n

12<\/span>\uff1a\u67e5\u770b\u5f53\u524d\u6570\u636e\u5e93\u4e2d\u6240\u6709\u5b58\u50a8\u8fc7\u7a0b<\/span>
\n<\/strong>select name as \u5b58\u50a8\u8fc7\u7a0b\u540d\u79f0 from sysobjects where xtype='P'<\/span><\/p>\n

13\uff1a\u67e5\u8be2\u7528\u6237\u521b\u5efa\u7684\u6240\u6709\u6570\u636e\u5e93<\/span><\/strong>
\nselect * from master..sysdatabases D where sid not in(select sid from master..syslogins<\/span> where name='sa')
\n<\/span>\u6216\u8005<\/span>
\nselect dbid, name AS DB_NAME from master..s<\/span>ysdatabases where sid <> 0x01<\/span><\/p>\n

14<\/span>\uff1a\u67e5\u8be2\u67d0\u4e00\u4e2a\u8868\u7684\u5b57\u6bb5\u548c\u6570\u636e\u7c7b\u578b<\/span>
\n<\/strong>select column_name,data_type from information_schema.columns
\nwhere table_name = '\u8868\u540d' <\/span><\/p>\n

15<\/span><\/strong>\uff1a\u4e0d\u540c\u670d\u52a1\u5668\u6570\u636e\u5e93\u4e4b\u95f4\u7684\u6570\u636e\u64cd\u4f5c<\/strong><\/strong><\/span><\/p>\n

--<\/strong>\u521b\u5efa\u94fe\u63a5\u670d\u52a1\u5668 <\/strong><\/span><\/p>\n

exec sp_addlinkedserver\u00a0\u00a0 'ITSV ', ' ', 'SQLOLEDB ', '\u8fdc\u7a0b\u670d\u52a1\u5668\u540d\u6216ip\u5730\u5740 ' <\/span><\/p>\n

exec sp_addlinkedsrvlogin\u00a0 'ITSV ', 'false ',null, '\u7528\u6237\u540d ', '\u5bc6\u7801 ' <\/span><\/p>\n

--\u67e5\u8be2\u793a\u4f8b <\/span><\/p>\n

select * from ITSV.\u6570\u636e\u5e93\u540d.dbo.\u8868\u540d <\/span><\/p>\n

--\u5bfc\u5165\u793a\u4f8b <\/span><\/p>\n

select * into \u8868 from ITSV.\u6570\u636e\u5e93\u540d.dbo.\u8868\u540d <\/span><\/p>\n

--<\/strong>\u4ee5\u540e\u4e0d\u518d\u4f7f\u7528\u65f6\u5220\u9664\u94fe\u63a5\u670d\u52a1\u5668 <\/strong><\/span><\/p>\n

exec sp_dropserver\u00a0 'ITSV ', 'droplogins ' <\/span><\/p>\n

 <\/p>\n

--<\/strong>\u8fde\u63a5\u8fdc\u7a0b\/\u5c40\u57df\u7f51\u6570\u636e<\/strong>(openrowset\/openquery\/opendatasource) <\/span><\/p>\n

--1\u3001openrowset <\/span><\/p>\n

--\u67e5\u8be2\u793a\u4f8b <\/span><\/p>\n

select * from openrowset( 'SQLOLEDB ', 'sql\u670d\u52a1\u5668\u540d '; '\u7528\u6237\u540d '; '\u5bc6\u7801 ',\u6570\u636e\u5e93\u540d.dbo.\u8868\u540d) <\/span><\/p>\n

--\u751f\u6210\u672c\u5730\u8868 <\/span><\/p>\n

select * into \u8868 from openrowset( 'SQLOLEDB ', 'sql\u670d\u52a1\u5668\u540d '; '\u7528\u6237\u540d '; '\u5bc6\u7801 ',\u6570\u636e\u5e93\u540d.dbo.\u8868\u540d) <\/span><\/p>\n

 <\/p>\n

--\u628a\u672c\u5730\u8868\u5bfc\u5165\u8fdc\u7a0b\u8868 <\/span><\/p>\n

insert openrowset( 'SQLOLEDB ', 'sql\u670d\u52a1\u5668\u540d '; '\u7528\u6237\u540d '; '\u5bc6\u7801 ',\u6570\u636e\u5e93\u540d.dbo.\u8868\u540d) <\/span><\/p>\n

select *from \u672c\u5730\u8868 <\/span><\/p>\n

--\u66f4\u65b0\u672c\u5730\u8868 <\/span><\/p>\n

update b <\/span><\/p>\n

set b.\u5217A=a.\u5217A <\/span><\/p>\n

from openrowset( 'SQLOLEDB ', 'sql\u670d\u52a1\u5668\u540d '; '\u7528\u6237\u540d '; '\u5bc6\u7801 ',\u6570\u636e\u5e93\u540d.dbo.\u8868\u540d)as a inner join \u672c\u5730\u8868 b <\/span><\/p>\n

on a.column1=b.column1 <\/span><\/p>\n

--openquery\u7528\u6cd5\u9700\u8981\u521b\u5efa\u4e00\u4e2a\u8fde\u63a5 <\/span><\/p>\n

--\u9996\u5148\u521b\u5efa\u4e00\u4e2a\u8fde\u63a5\u521b\u5efa\u94fe\u63a5\u670d\u52a1\u5668 <\/span><\/p>\n

exec sp_addlinkedserver\u00a0\u00a0 'ITSV ', ' ', 'SQLOLEDB ', '\u8fdc\u7a0b\u670d\u52a1\u5668\u540d\u6216ip\u5730\u5740 ' <\/span><\/p>\n

--\u67e5\u8be2 <\/span><\/p>\n

select * <\/span><\/p>\n

FROM openquery(ITSV,\u00a0 'SELECT *\u00a0 FROM \u6570\u636e\u5e93.dbo.\u8868\u540d ') <\/span><\/p>\n

--\u628a\u672c\u5730\u8868\u5bfc\u5165\u8fdc\u7a0b\u8868 <\/span><\/p>\n

insert openquery(ITSV,\u00a0 'SELECT *\u00a0 FROM \u6570\u636e\u5e93.dbo.\u8868\u540d ') <\/span><\/p>\n

select * from \u672c\u5730\u8868 <\/span><\/p>\n

--\u66f4\u65b0\u672c\u5730\u8868 <\/span><\/p>\n

update b <\/span><\/p>\n

set b.\u5217B=a.\u5217B <\/span><\/p>\n

FROM openquery(ITSV,\u00a0 'SELECT * FROM \u6570\u636e\u5e93.dbo.\u8868\u540d ') as a\u00a0 <\/span><\/p>\n

inner join \u672c\u5730\u8868 b on a.\u5217A=b.\u5217A <\/span><\/p>\n

 <\/p>\n

--3\u3001opendatasource\/openrowset <\/span><\/p>\n

SELECT\u00a0\u00a0 * <\/span><\/p>\n

FROM\u00a0\u00a0 opendatasource( 'SQLOLEDB ',\u00a0 'Data Source=ip\/ServerName;User ID=\u767b\u9646\u540d;Password=\u5bc6\u7801 ' ).test.dbo.roy_ta <\/span><\/p>\n

--\u628a\u672c\u5730\u8868\u5bfc\u5165\u8fdc\u7a0b\u8868 <\/span><\/p>\n

insert opendatasource( 'SQLOLEDB ',\u00a0 'Data Source=ip\/ServerName;User ID=\u767b\u9646\u540d;Password=\u5bc6\u7801 ').\u6570\u636e\u5e93.dbo.\u8868\u540d <\/span><\/p>\n

select * from \u672c\u5730\u8868\u00a0 <\/span><\/p>\n

SQL Server<\/strong>\u57fa\u672c\u51fd\u6570<\/strong><\/strong><\/p>\n

SQL Server\u57fa\u672c\u51fd\u6570<\/span><\/p>\n

1.\u5b57\u7b26\u4e32\u51fd\u6570 <\/span><\/strong>\u957f\u5ea6\u4e0e\u5206\u6790\u7528 <\/span><\/p>\n

1,datalength<\/strong>(Char_expr) \u8fd4\u56de\u5b57\u7b26\u4e32\u5305\u542b\u5b57\u7b26\u6570,\u4f46\u4e0d\u5305\u542b\u540e\u9762\u7684\u7a7a\u683c<\/span>
\n2,substring<\/strong>(expression,start,length) \u53d6\u5b50\u4e32\uff0c\u5b57\u7b26\u4e32\u7684\u4e0b\u6807\u662f\u4ece\u201c1\u201d\uff0cstart\u4e3a\u8d77\u59cb\u4f4d\u7f6e\uff0clength\u4e3a\u5b57\u7b26\u4e32\u957f\u5ea6\uff0c\u5b9e\u9645\u5e94\u7528\u4e2d\u4ee5len(expression)\u53d6\u5f97\u5176\u957f\u5ea6<\/span>
\n3,right<\/strong>(char_expr,int_expr) \u8fd4\u56de\u5b57\u7b26\u4e32\u53f3\u8fb9\u7b2cint_expr\u4e2a\u5b57\u7b26\uff0c\u8fd8\u7528left<\/strong><\/span>\u4e8e\u4e4b\u76f8\u53cd<\/span>
\n4,isnull( <\/strong>check<\/em>_<\/strong>expression <\/em>,<\/strong> replacement_value <\/em>)<\/strong>\u5982\u679ccheck_expression\u70ba\u7a7a\uff0c\u5247\u8fd4\u56dereplacement_value\u7684\u503c\uff0c\u4e0d\u70ba\u7a7a\uff0c\u5c31\u8fd4\u56decheck_expression\u5b57\u7b26\u64cd\u4f5c\u7c7b <\/span><\/p>\n

5,Sp_addtype<\/strong> <\/span>\u81ea\u5b9a\u7fa9\u6578\u64da\u985e\u578b<\/span>
\n\u4f8b\u5982\uff1aEXEC sp_addtype birthday, datetime, 'NULL'<\/code><\/span><\/p>\n

<code><strong><span style="font-family: \u5b8b\u4f53;">6,set nocount {on|off}<\/span><\/strong><\/code><\/pre>\n
<span style="font-family: \u5b8b\u4f53;">\u4f7f\u8fd4\u56de\u7684\u7ed3\u679c\u4e2d\u4e0d\u5305\u542b\u6709\u5173\u53d7 Transact-SQL \u8bed\u53e5\u5f71\u54cd\u7684\u884c\u6570\u7684\u4fe1\u606f\u3002\u5982\u679c\u5b58\u50a8\u8fc7\u7a0b\u4e2d\u5305\u542b\u7684\u4e00\u4e9b\u8bed\u53e5\u5e76\u4e0d\u8fd4\u56de\u8bb8\u591a\u5b9e\u9645\u7684\u6570\u636e\uff0c\u5219\u8be5\u8bbe\u7f6e\u7531\u4e8e\u5927\u91cf\u51cf\u5c11\u4e86\u7f51\u7edc\u6d41\u91cf\uff0c\u56e0\u6b64\u53ef\u663e\u8457\u63d0\u9ad8\u6027\u80fd\u3002SET NOCOUNT \u8bbe\u7f6e\u662f\u5728\u6267\u884c\u6216\u8fd0\u884c\u65f6\u8bbe\u7f6e\uff0c\u800c\u4e0d\u662f\u5728\u5206\u6790\u65f6\u8bbe\u7f6e\u3002<\/span><\/pre>\n
<span style="font-family: \u5b8b\u4f53;">SET NOCOUNT \u4e3a ON \u65f6\uff0c\u4e0d\u8fd4\u56de\u8ba1\u6570\uff08\u8868\u793a\u53d7 Transact-SQL \u8bed\u53e5\u5f71\u54cd\u7684\u884c\u6570\uff09\u3002<\/span>\r\n<span style="font-family: \u5b8b\u4f53;">SET NOCOUNT <\/span><span style="font-family: \u5b8b\u4f53;">\u4e3a OFF \u65f6\uff0c\u8fd4\u56de\u8ba1\u6570<\/span><\/pre>\n
<code><strong><span style="font-family: \u5b8b\u4f53;">\u5e38\u8bc6<\/span><\/strong><\/code><code><strong><\/strong><\/code><\/pre>\n
<\/pre>\n
<span style="font-family: \u5b8b\u4f53;"><code><strong>\u5728SQL\u67e5\u8be2\u4e2d\uff1a<\/strong><\/code><code><strong>from<\/strong><\/code><code>\u540e\u6700\u591a\u53ef\u4ee5\u8ddf\u591a\u5c11\u5f20\u8868\u6216\u89c6\u56fe\uff1a<\/code><code><strong>256<\/strong><\/code><code><\/code><\/span><\/pre>\n
<span style="font-family: \u5b8b\u4f53;"><code><strong>\u5728<\/strong><\/code><code><strong>SQL<\/strong><\/code><code><strong>\u8bed\u53e5\u4e2d\u51fa\u73b0 <\/strong><\/code><code><strong>Order by<\/strong><\/code><code><strong>,<\/strong><\/code><code><strong>\u67e5\u8be2\u65f6\uff0c<\/strong><\/code><code><strong>\u5148\u6392\u5e8f\uff0c\u540e\u53d6<\/strong><\/code><\/span><\/pre>\n
<span style="font-family: \u5b8b\u4f53;"><code><strong>\u5728<\/strong><\/code><code><strong>SQL<\/strong><\/code><code><strong>\u4e2d\uff0c\u4e00\u4e2a\u5b57\u6bb5\u7684\u6700\u5927\u5bb9\u91cf\u662f<\/strong><\/code><code><strong>8000<\/strong><\/code><code><strong>\uff0c\u800c\u5bf9\u4e8e<\/strong><\/code><code><strong>nvarchar(4000)<\/strong><\/code><code><strong>,<\/strong><\/code><code><strong>\u7531\u4e8e<\/strong><\/code><code><strong>nvarchar<\/strong><\/code><code><strong>\u662fUnicode\u7801\u3002 <\/strong><\/code><\/span><\/pre>\n
<\/pre>\n
<code><strong><span style="font-family: \u5b8b\u4f53;">SQLServer2000<\/span><\/strong><\/code><span style="font-family: \u5b8b\u4f53;"><code><strong>\u540c\u6b65\u590d\u5236\u6280\u672f\u5b9e\u73b0\u6b65\u9aa4<\/strong><\/code><code><strong><\/strong><\/code><\/span><\/pre>\n
<code><span style="font-family: \u5b8b\u4f53;">\u4e00\u3001 \u9884\u5907\u5de5\u4f5c<\/span><\/code><code><\/code><\/pre>\n
<span style="font-family: \u5b8b\u4f53;"><code>1.<\/code><code>\u53d1\u5e03\u670d\u52a1\u5668,\u8ba2\u9605\u670d\u52a1\u5668\u90fd\u521b\u5efa\u4e00\u4e2a\u540c\u540d\u7684windows\u7528\u6237,\u5e76\u8bbe\u7f6e\u76f8\u540c\u7684\u5bc6\u7801,\u505a\u4e3a\u53d1\u5e03\u5feb\u7167\u6587\u4ef6\u5939\u7684\u6709\u6548\u8bbf\u95ee\u7528\u6237<\/code><\/span><\/pre>\n
<span style="font-family: \u5b8b\u4f53;"><code>--<\/code><code>\u7ba1\u7406\u5de5\u5177<\/code><\/span><\/pre>\n
<span style="font-family: \u5b8b\u4f53;"><code>--<\/code><code>\u8ba1\u7b97\u673a\u7ba1\u7406<\/code><\/span><\/pre>\n
<span style="font-family: \u5b8b\u4f53;"><code>--<\/code><code>\u7528\u6237\u548c\u7ec4<\/code><\/span><\/pre>\n
<span style="font-family: \u5b8b\u4f53;"><code>--<\/code><code>\u53f3\u952e\u7528\u6237<\/code><\/span><\/pre>\n
<span style="font-family: \u5b8b\u4f53;"><code>--<\/code><code>\u65b0\u5efa\u7528\u6237<\/code><\/span><\/pre>\n
<span style="font-family: \u5b8b\u4f53;"><code>--<\/code><code>\u5efa\u7acb\u4e00\u4e2a\u96b6\u5c5e\u4e8eadministrator\u7ec4\u7684\u767b\u9646windows\u7684\u7528\u6237\uff08SynUser\uff09<\/code><\/span><\/pre>\n
<span style="font-family: \u5b8b\u4f53;"><code>2.<\/code><code>\u5728\u53d1\u5e03\u670d\u52a1\u5668\u4e0a,\u65b0\u5efa\u4e00\u4e2a\u5171\u4eab\u76ee\u5f55,\u505a\u4e3a\u53d1\u5e03\u7684\u5feb\u7167\u6587\u4ef6\u7684\u5b58\u653e\u76ee\u5f55,\u64cd\u4f5c:<\/code><\/span><\/pre>\n
<code><span style="font-family: \u5b8b\u4f53;">\u6211\u7684\u7535\u8111--D:\\ \u65b0\u5efa\u4e00\u4e2a\u76ee\u5f55,\u540d\u4e3a: PUB<\/span><\/code><\/pre>\n
<span style="font-family: \u5b8b\u4f53;"><code>--<\/code><code>\u53f3\u952e\u8fd9\u4e2a\u65b0\u5efa\u7684\u76ee\u5f55<\/code><\/span><\/pre>\n
<span style="font-family: \u5b8b\u4f53;"><code>--<\/code><code>\u5c5e\u6027--\u5171\u4eab<\/code><\/span><\/pre>\n
<span style="font-family: \u5b8b\u4f53;"><code>--<\/code><code>\u9009\u62e9"\u5171\u4eab\u8be5\u6587\u4ef6\u5939"<\/code><\/span><\/pre>\n
<span style="font-family: \u5b8b\u4f53;"><code>--<\/code><code>\u901a\u8fc7"\u6743\u9650"\u6309\u7ebd\u6765\u8bbe\u7f6e\u5177\u4f53\u7684\u7528\u6237\u6743\u9650,\u4fdd\u8bc1\u7b2c\u4e00\u6b65\u4e2d\u521b\u5efa\u7684\u7528\u6237(SynUser) \u5177\u6709\u5bf9\u8be5\u6587\u4ef6\u5939\u7684\u6240\u6709\u6743\u9650<\/code><\/span><\/pre>\n
<\/pre>\n
<span style="font-family: \u5b8b\u4f53;"><code>--<\/code><code>\u786e\u5b9a<\/code><\/span><\/pre>\n
<span style="font-family: \u5b8b\u4f53;"><code>3.<\/code><code>\u8bbe\u7f6eSQL\u4ee3\u7406(SQLSERVERAGENT)\u670d\u52a1\u7684\u542f\u52a8\u7528\u6237(\u53d1\u5e03\/\u8ba2\u9605\u670d\u52a1\u5668\u5747\u505a\u6b64\u8bbe\u7f6e)<\/code><\/span><\/pre>\n
<code><span style="font-family: \u5b8b\u4f53;">\u5f00\u59cb--\u7a0b\u5e8f--\u7ba1\u7406\u5de5\u5177--\u670d\u52a1<\/span><\/code><\/pre>\n
<span style="font-family: \u5b8b\u4f53;"><code>--<\/code><code>\u53f3\u952eSQLSERVERAGENT<\/code><\/span><\/pre>\n
<span style="font-family: \u5b8b\u4f53;"><code>--<\/code><code>\u5c5e\u6027--\u767b\u9646--\u9009\u62e9"\u6b64\u8d26\u6237"<\/code><\/span><\/pre>\n
<span style="font-family: \u5b8b\u4f53;"><code>--<\/code><code>\u8f93\u5165\u6216\u8005\u9009\u62e9\u7b2c\u4e00\u6b65\u4e2d\u521b\u5efa\u7684windows\u767b\u5f55\u7528\u6237\u540d\uff08SynUser\uff09<\/code><\/span><\/pre>\n
<span style="font-family: \u5b8b\u4f53;"><code>--"<\/code><code>\u5bc6\u7801"\u4e2d\u8f93\u5165\u8be5\u7528\u6237\u7684\u5bc6\u7801<\/code><\/span><\/pre>\n
<span style="font-family: \u5b8b\u4f53;"><code>4.<\/code><code>\u8bbe\u7f6eSQL Server\u8eab\u4efd\u9a8c\u8bc1\u6a21\u5f0f,\u89e3\u51b3\u8fde\u63a5\u65f6\u7684\u6743\u9650\u95ee\u9898(\u53d1\u5e03\/\u8ba2\u9605\u670d\u52a1\u5668\u5747\u505a\u6b64\u8bbe\u7f6e)<\/code><\/span><\/pre>\n
<code><span style="font-family: \u5b8b\u4f53;">\u4f01\u4e1a\u7ba1\u7406\u5668<\/span><\/code><\/pre>\n
<span style="font-family: \u5b8b\u4f53;"><code>--<\/code><code>\u53f3\u952eSQL\u5b9e\u4f8b--\u5c5e\u6027<\/code><\/span><\/pre>\n
<span style="font-family: \u5b8b\u4f53;"><code>--<\/code><code>\u5b89\u5168\u6027--\u8eab\u4efd\u9a8c\u8bc1<\/code><\/span><\/pre>\n
<span style="font-family: \u5b8b\u4f53;"><code>--<\/code><code>\u9009\u62e9"SQL Server \u548c Windows"<\/code><\/span><\/pre>\n
<span style="font-family: \u5b8b\u4f53;"><code>--<\/code><code>\u786e\u5b9a<\/code><\/span><\/pre>\n
<span style="font-family: \u5b8b\u4f53;"><code>5.<\/code><code>\u5728\u53d1\u5e03\u670d\u52a1\u5668\u548c\u8ba2\u9605\u670d\u52a1\u5668\u4e0a\u4e92\u76f8\u6ce8\u518c<\/code><\/span><\/pre>\n
<code><span style="font-family: \u5b8b\u4f53;">\u4f01\u4e1a\u7ba1\u7406\u5668<\/span><\/code><\/pre>\n
<span style="font-family: \u5b8b\u4f53;"><code>--<\/code><code>\u53f3\u952eSQL Server\u7ec4<\/code><\/span><\/pre>\n
<span style="font-family: \u5b8b\u4f53;"><code>--<\/code><code>\u65b0\u5efaSQL Server\u6ce8\u518c...<\/code><\/span><\/pre>\n
<span style="font-family: \u5b8b\u4f53;"><code>--<\/code><code>\u4e0b\u4e00\u6b65--\u53ef\u7528\u7684\u670d\u52a1\u5668\u4e2d,\u8f93\u5165\u4f60\u8981\u6ce8\u518c\u7684\u8fdc\u7a0b\u670d\u52a1\u5668\u540d --\u6dfb\u52a0<\/code><\/span><\/pre>\n
<span style="font-family: \u5b8b\u4f53;"><code>--<\/code><code>\u4e0b\u4e00\u6b65--\u8fde\u63a5\u4f7f\u7528,\u9009\u62e9\u7b2c\u4e8c\u4e2a"SQL Server\u8eab\u4efd\u9a8c\u8bc1"<\/code><\/span><\/pre>\n
<span style="font-family: \u5b8b\u4f53;"><code>--<\/code><code>\u4e0b\u4e00\u6b65--\u8f93\u5165\u7528\u6237\u540d\u548c\u5bc6\u7801\uff08SynUser\uff09<\/code><\/span><\/pre>\n
<span style="font-family: \u5b8b\u4f53;"><code>--<\/code><code>\u4e0b\u4e00\u6b65--\u9009\u62e9SQL Server\u7ec4,\u4e5f\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2a\u65b0\u7ec4<\/code><\/span><\/pre>\n
<span style="font-family: \u5b8b\u4f53;"><code>--<\/code><code>\u4e0b\u4e00\u6b65--\u5b8c\u6210<\/code><\/span><\/pre>\n
<span style="font-family: \u5b8b\u4f53;"><code>6.<\/code><code>\u5bf9\u4e8e\u53ea\u80fd\u7528IP,\u4e0d\u80fd\u7528\u8ba1\u7b97\u673a\u540d\u7684,\u4e3a\u5176\u6ce8\u518c\u670d\u52a1\u5668\u522b\u540d\uff08\u6b64\u6b65\u5728\u5b9e\u65bd\u4e2d\u6ca1\u7528\u5230\uff09<\/code><\/span><\/pre>\n
<span style="font-family: \u5b8b\u4f53;"><code> (<\/code><code>\u5728\u8fde\u63a5\u7aef\u914d\u7f6e,\u6bd4\u5982,\u5728\u8ba2\u9605\u670d\u52a1\u5668\u4e0a\u914d\u7f6e\u7684\u8bdd,\u670d\u52a1\u5668\u540d\u79f0\u4e2d\u8f93\u5165\u7684\u662f\u53d1\u5e03\u670d\u52a1\u5668\u7684IP)<\/code><\/span><\/pre>\n
<code><span style="font-family: \u5b8b\u4f53;">\u5f00\u59cb--\u7a0b\u5e8f--Microsoft SQL Server--\u5ba2\u6237\u7aef\u7f51\u7edc\u5b9e\u7528\u5de5\u5177<\/span><\/code><\/pre>\n
<span style="font-family: \u5b8b\u4f53;"><code>--<\/code><code>\u522b\u540d--\u6dfb\u52a0<\/code><\/span><\/pre>\n
<span style="font-family: \u5b8b\u4f53;"><code>--<\/code><code>\u7f51\u7edc\u5e93\u9009\u62e9"tcp\/ip"--\u670d\u52a1\u5668\u522b\u540d\u8f93\u5165SQL\u670d\u52a1\u5668\u540d<\/code><\/span><\/pre>\n
<span style="font-family: \u5b8b\u4f53;"><code>--<\/code><code>\u8fde\u63a5\u53c2\u6570--\u670d\u52a1\u5668\u540d\u79f0\u4e2d\u8f93\u5165SQL\u670d\u52a1\u5668ip\u5730\u5740<\/code><\/span><\/pre>\n
<span style="font-family: \u5b8b\u4f53;"><code>--<\/code><code>\u5982\u679c\u4f60\u4fee\u6539\u4e86SQL\u7684\u7aef\u53e3,\u53d6\u6d88\u9009\u62e9"\u52a8\u6001\u51b3\u5b9a\u7aef\u53e3",\u5e76\u8f93\u5165\u5bf9\u5e94\u7684\u7aef\u53e3\u53f7<\/code><\/span><\/pre>\n
<code><span style="font-family: \u5b8b\u4f53;">\u4e8c\u3001 \u6b63\u5f0f\u914d\u7f6e<\/span><\/code><code><\/code><\/pre>\n
<span style="font-family: \u5b8b\u4f53;"><code>1<\/code><code>\u3001\u914d\u7f6e\u53d1\u5e03\u670d\u52a1\u5668<\/code><\/span><\/pre>\n
<code><span style="font-family: \u5b8b\u4f53;">\u6253\u5f00\u4f01\u4e1a\u7ba1\u7406\u5668\uff0c\u5728\u53d1\u5e03\u670d\u52a1\u5668\uff08B\u3001C\u3001D\uff09\u4e0a\u6267\u884c\u4ee5\u4e0b\u6b65\u9aa4:<\/span><\/code><\/pre>\n
<span style="font-family: \u5b8b\u4f53;"><code>(1) <\/code><code>\u4ece[\u5de5\u5177]\u4e0b\u62c9\u83dc\u5355\u7684[\u590d\u5236]\u5b50\u83dc\u5355\u4e2d\u9009\u62e9[\u914d\u7f6e\u53d1\u5e03\u3001\u8ba2\u9605\u670d\u52a1\u5668\u548c\u5206\u53d1]\u51fa\u73b0\u914d\u7f6e\u53d1\u5e03\u548c\u5206\u53d1\u5411\u5bfc <\/code><\/span><\/pre>\n
<span style="font-family: \u5b8b\u4f53;"><code>(2) [<\/code><code>\u4e0b\u4e00\u6b65] \u9009\u62e9\u5206\u53d1\u670d\u52a1\u5668 \u53ef\u4ee5\u9009\u62e9\u628a\u53d1\u5e03\u670d\u52a1\u5668\u81ea\u5df1\u4f5c\u4e3a\u5206\u53d1\u670d\u52a1\u5668\u6216\u8005\u5176\u4ed6sql\u7684\u670d\u52a1\u5668\uff08\u9009\u62e9\u81ea\u5df1\uff09<\/code><\/span><\/pre>\n
<span style="font-family: \u5b8b\u4f53;"><code>(3) [<\/code><code>\u4e0b\u4e00\u6b65] \u8bbe\u7f6e\u5feb\u7167\u6587\u4ef6\u5939<\/code><\/span><\/pre>\n
<code><span style="font-family: \u5b8b\u4f53;">\u91c7\u7528\u9ed8\u8ba4\\\\servername\\Pub<\/span><\/code><\/pre>\n
<span style="font-family: \u5b8b\u4f53;"><code>(4) [<\/code><code>\u4e0b\u4e00\u6b65] \u81ea\u5b9a\u4e49\u914d\u7f6e <\/code><\/span><\/pre>\n
<code><span style="font-family: \u5b8b\u4f53;">\u53ef\u4ee5\u9009\u62e9:\u662f,\u8ba9\u6211\u8bbe\u7f6e\u5206\u53d1\u6570\u636e\u5e93\u5c5e\u6027\u542f\u7528\u53d1\u5e03\u670d\u52a1\u5668\u6216\u8bbe\u7f6e\u53d1\u5e03\u8bbe\u7f6e<\/span><\/code><\/pre>\n
<code><span style="font-family: \u5b8b\u4f53;">\u5426,\u4f7f\u7528\u4e0b\u5217\u9ed8\u8ba4\u8bbe\u7f6e\uff08\u63a8\u8350\uff09<\/span><\/code><\/pre>\n
<span style="font-family: \u5b8b\u4f53;"><code>(5) [<\/code><code>\u4e0b\u4e00\u6b65] \u8bbe\u7f6e\u5206\u53d1\u6570\u636e\u5e93\u540d\u79f0\u548c\u4f4d\u7f6e \u91c7\u7528\u9ed8\u8ba4\u503c<\/code><\/span><\/pre>\n
<span style="font-family: \u5b8b\u4f53;"><code>(6) [<\/code><code>\u4e0b\u4e00\u6b65] \u542f\u7528\u53d1\u5e03\u670d\u52a1\u5668 \u9009\u62e9\u4f5c\u4e3a\u53d1\u5e03\u7684\u670d\u52a1\u5668<\/code><\/span><\/pre>\n
<span style="font-family: \u5b8b\u4f53;">(7) [\u4e0b\u4e00\u6b65] \u9009\u62e9\u9700\u8981\u53d1\u5e03\u7684\u6570\u636e\u5e93\u548c\u53d1\u5e03\u7c7b\u578b<\/span><\/pre>\n
<span style="font-family: \u5b8b\u4f53;"><code>(8) [<\/code><code>\u4e0b\u4e00\u6b65] \u9009\u62e9\u6ce8\u518c\u8ba2\u9605\u670d\u52a1\u5668<\/code><\/span><\/pre>\n
<span style="font-family: \u5b8b\u4f53;"><code>(9) [<\/code><code>\u4e0b\u4e00\u6b65] \u5b8c\u6210\u914d\u7f6e<\/code><\/span><\/pre>\n
<span style="font-family: \u5b8b\u4f53;"><code>2<\/code><code>\u3001\u521b\u5efa\u51fa\u7248\u7269<\/code><\/span><\/pre>\n
<code><span style="font-family: \u5b8b\u4f53;">\u53d1\u5e03\u670d\u52a1\u5668B\u3001C\u3001D\u4e0a<\/span><\/code><\/pre>\n
<span style="font-family: \u5b8b\u4f53;"><code>(1)<\/code><code>\u4ece[\u5de5\u5177]\u83dc\u5355\u7684[\u590d\u5236]\u5b50\u83dc\u5355\u4e2d\u9009\u62e9[\u521b\u5efa\u548c\u7ba1\u7406\u53d1\u5e03]\u547d\u4ee4<\/code><\/span><\/pre>\n
<span style="font-family: \u5b8b\u4f53;"><code>(2)<\/code><code>\u9009\u62e9\u8981\u521b\u5efa\u51fa\u7248\u7269\u7684\u6570\u636e\u5e93\uff0c\u7136\u540e\u5355\u51fb[\u521b\u5efa\u53d1\u5e03]<\/code><\/span><\/pre>\n
<span style="font-family: \u5b8b\u4f53;"><code>(3)<\/code><code>\u5728[\u521b\u5efa\u53d1\u5e03\u5411\u5bfc]\u7684\u63d0\u793a\u5bf9\u8bdd\u6846\u4e2d\u5355\u51fb[\u4e0b\u4e00\u6b65]\u7cfb\u7edf\u5c31\u4f1a\u5f39\u51fa\u4e00\u4e2a\u5bf9\u8bdd\u6846\u3002\u5bf9\u8bdd\u6846\u4e0a\u7684\u5185\u5bb9\u662f\u590d\u5236\u7684\u4e09\u4e2a\u7c7b\u578b\u3002\u6211\u4eec\u73b0\u5728\u9009\u7b2c\u4e00\u4e2a\u4e5f\u5c31\u662f\u9ed8\u8ba4\u7684\u5feb\u7167\u53d1\u5e03(\u5176\u4ed6\u4e24\u4e2a\u5927\u5bb6\u53ef\u4ee5\u53bb\u770b\u770b\u5e2e\u52a9)<\/code><\/span><\/pre>\n
<span style="font-family: \u5b8b\u4f53;"><code>(4)<\/code><code>\u5355\u51fb[\u4e0b\u4e00\u6b65]\u7cfb\u7edf\u8981\u6c42\u6307\u5b9a\u53ef\u4ee5\u8ba2\u9605\u8be5\u53d1\u5e03\u7684\u6570\u636e\u5e93\u670d\u52a1\u5668\u7c7b\u578b,<\/code><\/span><\/pre>\n
<span style="font-family: \u5b8b\u4f53;"><code>SQLSERVER<\/code><code>\u5141\u8bb8\u5728\u4e0d\u540c\u7684\u6570\u636e\u5e93\u5982 orACLE\u6216ACCESS\u4e4b\u95f4\u8fdb\u884c\u6570\u636e\u590d\u5236\u3002<\/code><\/span><\/pre>\n
<code><span style="font-family: \u5b8b\u4f53;">\u4f46\u662f\u5728\u8fd9\u91cc\u6211\u4eec\u9009\u62e9\u8fd0\u884c"SQL SERVER 2000"\u7684\u6570\u636e\u5e93\u670d\u52a1\u5668<\/span><\/code><\/pre>\n
<span style="font-family: \u5b8b\u4f53;"><code>(5)<\/code><code>\u5355\u51fb[\u4e0b\u4e00\u6b65]\u7cfb\u7edf\u5c31\u5f39\u51fa\u4e00\u4e2a\u5b9a\u4e49\u6587\u7ae0\u7684\u5bf9\u8bdd\u6846\u4e5f\u5c31\u662f\u9009\u62e9\u8981\u51fa\u7248\u7684\u8868<\/code><\/span><\/pre>\n
<code><span style="font-family: \u5b8b\u4f53;">\u6ce8\u610f: \u5982\u679c\u524d\u9762\u9009\u62e9\u4e86\u4e8b\u52a1\u53d1\u5e03 \u5219\u518d\u8fd9\u4e00\u6b65\u4e2d\u53ea\u80fd\u9009\u62e9\u5e26\u6709\u4e3b\u952e\u7684\u8868<\/span><\/code><\/pre>\n
<span style="font-family: \u5b8b\u4f53;"><code>(6)<\/code><code>\u9009\u62e9\u53d1\u5e03\u540d\u79f0\u548c\u63cf\u8ff0<\/code><\/span><\/pre>\n
<span style="font-family: \u5b8b\u4f53;"><code>(7)<\/code><code>\u81ea\u5b9a\u4e49\u53d1\u5e03\u5c5e\u6027 \u5411\u5bfc\u63d0\u4f9b\u7684\u9009\u62e9:<\/code><\/span><\/pre>\n
<code><span style="font-family: \u5b8b\u4f53;">\u662f \u6211\u5c06\u81ea\u5b9a\u4e49\u6570\u636e\u7b5b\u9009,\u542f\u7528\u533f\u540d\u8ba2\u9605\u548c\u6216\u5176\u4ed6\u81ea\u5b9a\u4e49\u5c5e\u6027<\/span><\/code><\/pre>\n
<code><span style="font-family: \u5b8b\u4f53;">\u5426 \u6839\u636e\u6307\u5b9a\u65b9\u5f0f\u521b\u5efa\u53d1\u5e03 \uff08\u5efa\u8bae\u91c7\u7528\u81ea\u5b9a\u4e49\u7684\u65b9\u5f0f\uff09<\/span><\/code><\/pre>\n
<span style="font-family: \u5b8b\u4f53;"><code>(8)[<\/code><code>\u4e0b\u4e00\u6b65] \u9009\u62e9\u7b5b\u9009\u53d1\u5e03\u7684\u65b9\u5f0f <\/code><\/span><\/pre>\n
<span style="font-family: \u5b8b\u4f53;"><code>(9)[<\/code><code>\u4e0b\u4e00\u6b65] \u53ef\u4ee5\u9009\u62e9\u662f\u5426\u5141\u8bb8\u533f\u540d\u8ba2\u9605<\/code><\/span><\/pre>\n
<span style="font-family: \u5b8b\u4f53;"><code>1)<\/code><code>\u5982\u679c\u9009\u62e9\u7f72\u540d\u8ba2\u9605,\u5219\u9700\u8981\u5728\u53d1\u5e03\u670d\u52a1\u5668\u4e0a\u6dfb\u52a0\u8ba2\u9605\u670d\u52a1\u5668<\/code><\/span><\/pre>\n
<code><span style="font-family: \u5b8b\u4f53;">\u65b9\u6cd5: [\u5de5\u5177]-&gt;[\u590d\u5236]-&gt;[\u914d\u7f6e\u53d1\u5e03\u3001\u8ba2\u9605\u670d\u52a1\u5668\u548c\u5206\u53d1\u7684\u5c5e\u6027]-&gt;[\u8ba2\u9605\u670d\u52a1\u5668] \u4e2d\u6dfb\u52a0<\/span><\/code><\/pre>\n
<code><span style="font-family: \u5b8b\u4f53;">\u5426\u5219\u5728\u8ba2\u9605\u670d\u52a1\u5668\u4e0a\u8bf7\u6c42\u8ba2\u9605\u65f6\u4f1a\u51fa\u73b0\u7684\u63d0\u793a:\u6539\u53d1\u5e03\u4e0d\u5141\u8bb8\u533f\u540d\u8ba2\u9605<\/span><\/code><\/pre>\n
<code><span style="font-family: \u5b8b\u4f53;">\u5982\u679c\u4ecd\u7136\u9700\u8981\u533f\u540d\u8ba2\u9605\u5219\u7528\u4ee5\u4e0b\u89e3\u51b3\u529e\u6cd5 <\/span><\/code><\/pre>\n
<span style="font-family: \u5b8b\u4f53;"><code>[<\/code><code>\u4f01\u4e1a\u7ba1\u7406\u5668]-&gt;[\u590d\u5236]-&gt;[\u53d1\u5e03\u5185\u5bb9]-&gt;[\u5c5e\u6027]-&gt;[\u8ba2\u9605\u9009\u9879] \u9009\u62e9\u5141\u8bb8\u533f\u540d\u8bf7\u6c42\u8ba2\u9605<\/code><\/span><\/pre>\n
<span style="font-family: \u5b8b\u4f53;"><code>2)<\/code><code>\u5982\u679c\u9009\u62e9\u533f\u540d\u8ba2\u9605,\u5219\u914d\u7f6e\u8ba2\u9605\u670d\u52a1\u5668\u65f6\u4e0d\u4f1a\u51fa\u73b0\u4ee5\u4e0a\u63d0\u793a<\/code><\/span><\/pre>\n
<span style="font-family: \u5b8b\u4f53;"><code>(10)[<\/code><code>\u4e0b\u4e00\u6b65] \u8bbe\u7f6e\u5feb\u7167 \u4ee3\u7406\u7a0b\u5e8f\u8c03\u5ea6<\/code><\/span><\/pre>\n
<span style="font-family: \u5b8b\u4f53;"><code>(11)[<\/code><code>\u4e0b\u4e00\u6b65] \u5b8c\u6210\u914d\u7f6e<\/code><\/span><\/pre>\n
<code><span style="font-family: \u5b8b\u4f53;">\u5f53\u5b8c\u6210\u51fa\u7248\u7269\u7684\u521b\u5efa\u540e\u521b\u5efa\u51fa\u7248\u7269\u7684\u6570\u636e\u5e93\u4e5f\u5c31\u53d8\u6210\u4e86\u4e00\u4e2a\u5171\u4eab\u6570\u636e\u5e93<\/span><\/code><\/pre>\n
<code><span style="font-family: \u5b8b\u4f53;">\u6709\u6570\u636e <\/span><\/code><\/pre>\n
<span style="font-family: \u5b8b\u4f53;"><code>srv1.<\/code><code>\u5e93\u540d..author\u6709\u5b57\u6bb5:id,name,phone, <\/code><\/span><\/pre>\n
<span style="font-family: \u5b8b\u4f53;"><code>srv2.<\/code><code>\u5e93\u540d..author\u6709\u5b57\u6bb5:id,name,telphone,adress <\/code><\/span><\/pre>\n
<\/pre>\n
<code><span style="font-family: \u5b8b\u4f53;">\u8981\u6c42\uff1a <\/span><\/code><\/pre>\n
<span style="font-family: \u5b8b\u4f53;"><code>srv1.<\/code><code>\u5e93\u540d..author\u589e\u52a0\u8bb0\u5f55\u5219srv1.\u5e93\u540d..author\u8bb0\u5f55\u589e\u52a0 <\/code><\/span><\/pre>\n
<span style="font-family: \u5b8b\u4f53;"><code>srv1.<\/code><code>\u5e93\u540d..author\u7684phone\u5b57\u6bb5\u66f4\u65b0\uff0c\u5219srv1.\u5e93\u540d..author\u5bf9\u5e94\u5b57\u6bb5telphone\u66f4\u65b0 <\/code><\/span><\/pre>\n
<code><span style="font-family: \u5b8b\u4f53;">--*\/ <\/span><\/code><\/pre>\n
<\/pre>\n
<span style="font-family: \u5b8b\u4f53;"><code>--<\/code><code>\u5927\u81f4\u7684\u5904\u7406\u6b65\u9aa4 <\/code><\/span><\/pre>\n
<span style="font-family: \u5b8b\u4f53;"><code>--1.<\/code><code>\u5728 srv1 \u4e0a\u521b\u5efa\u8fde\u63a5\u670d\u52a1\u5668,\u4ee5\u4fbf\u5728 srv1 \u4e2d\u64cd\u4f5c srv2,\u5b9e\u73b0\u540c\u6b65 <\/code><\/span><\/pre>\n
<span style="font-family: \u5b8b\u4f53;"><code>exec sp_addlinkedserver 'srv2','','SQLOLEDB','srv2<\/code><code>\u7684sql\u5b9e\u4f8b\u540d\u6216ip' <\/code><\/span><\/pre>\n
<span style="font-family: \u5b8b\u4f53;"><code>exec sp_addlinkedsrvlogin 'srv2','false',null,'<\/code><code>\u7528\u6237\u540d','\u5bc6\u7801' <\/code><\/span><\/pre>\n
<code><span style="font-family: \u5b8b\u4f53;">go<\/span><\/code><\/pre>\n
<span style="font-family: \u5b8b\u4f53;"><code>--2.<\/code><code>\u5728 srv1 \u548c srv2 \u8fd9\u4e24\u53f0\u7535\u8111\u4e2d,\u542f\u52a8 msdtc(\u5206\u5e03\u5f0f\u4e8b\u52a1\u5904\u7406\u670d\u52a1),\u5e76\u4e14\u8bbe\u7f6e\u4e3a\u81ea\u52a8\u542f\u52a8<\/code><\/span><\/pre>\n
<code><span style="font-family: \u5b8b\u4f53;">\u3002\u6211\u7684\u7535\u8111--\u63a7\u5236\u9762\u677f--\u7ba1\u7406\u5de5\u5177--\u670d\u52a1--\u53f3\u952e Distributed Transaction Coordinator--\u5c5e\u6027--\u542f\u52a8--\u5e76\u5c06\u542f\u52a8\u7c7b\u578b\u8bbe\u7f6e\u4e3a\u81ea\u52a8\u542f\u52a8 <\/span><\/code><\/pre>\n
<code><span style="font-family: \u5b8b\u4f53;">go <\/span><\/code><\/pre>\n
<\/pre>\n
<\/pre>\n
<span style="font-family: \u5b8b\u4f53;"><code>--<\/code><code>\u7136\u540e\u521b\u5efa\u4e00\u4e2a\u4f5c\u4e1a\u5b9a\u65f6\u8c03\u7528\u4e0a\u9762\u7684\u540c\u6b65\u5904\u7406\u5b58\u50a8\u8fc7\u7a0b\u5c31\u884c\u4e86 <\/code><\/span><\/pre>\n
<\/pre>\n
<code><span style="font-family: \u5b8b\u4f53;">\u4f01\u4e1a\u7ba1\u7406\u5668 <\/span><\/code><\/pre>\n
<span style="font-family: \u5b8b\u4f53;"><code>--<\/code><code>\u7ba1\u7406 <\/code><\/span><\/pre>\n
<span style="font-family: \u5b8b\u4f53;"><code>--SQL Server<\/code><code>\u4ee3\u7406 <\/code><\/span><\/pre>\n
<span style="font-family: \u5b8b\u4f53;"><code>--<\/code><code>\u53f3\u952e\u4f5c\u4e1a <\/code><\/span><\/pre>\n
<span style="font-family: \u5b8b\u4f53;"><code>--<\/code><code>\u65b0\u5efa\u4f5c\u4e1a <\/code><\/span><\/pre>\n
<span style="font-family: \u5b8b\u4f53;"><code>--"<\/code><code>\u5e38\u89c4"\u9879\u4e2d\u8f93\u5165\u4f5c\u4e1a\u540d\u79f0 <\/code><\/span><\/pre>\n
<span style="font-family: \u5b8b\u4f53;"><code>--"<\/code><code>\u6b65\u9aa4"\u9879 <\/code><\/span><\/pre>\n
<span style="font-family: \u5b8b\u4f53;"><code>--<\/code><code>\u65b0\u5efa <\/code><\/span><\/pre>\n
<span style="font-family: \u5b8b\u4f53;"><code>--"<\/code><code>\u6b65\u9aa4\u540d"\u4e2d\u8f93\u5165\u6b65\u9aa4\u540d <\/code><\/span><\/pre>\n
<span style="font-family: \u5b8b\u4f53;"><code>--"<\/code><code>\u7c7b\u578b"\u4e2d\u9009\u62e9"Transact-SQL \u811a\u672c(TSQL)" <\/code><\/span><\/pre>\n
<span style="font-family: \u5b8b\u4f53;"><code>--"<\/code><code>\u6570\u636e\u5e93"\u9009\u62e9\u6267\u884c\u547d\u4ee4\u7684\u6570\u636e\u5e93 <\/code><\/span><\/pre>\n
<span style="font-family: \u5b8b\u4f53;"><code>--"<\/code><code>\u547d\u4ee4"\u4e2d\u8f93\u5165\u8981\u6267\u884c\u7684\u8bed\u53e5: exec p_process <\/code><\/span><\/pre>\n
<span style="font-family: \u5b8b\u4f53;"><code>--<\/code><code>\u786e\u5b9a <\/code><\/span><\/pre>\n
<span style="font-family: \u5b8b\u4f53;"><code>--"<\/code><code>\u8c03\u5ea6"\u9879 <\/code><\/span><\/pre>\n
<span style="font-family: \u5b8b\u4f53;"><code>--<\/code><code>\u65b0\u5efa\u8c03\u5ea6 <\/code><\/span><\/pre>\n
<span style="font-family: \u5b8b\u4f53;"><code>--"<\/code><code>\u540d\u79f0"\u4e2d\u8f93\u5165\u8c03\u5ea6\u540d\u79f0 <\/code><\/span><\/pre>\n
<span style="font-family: \u5b8b\u4f53;"><code>--"<\/code><code>\u8c03\u5ea6\u7c7b\u578b"\u4e2d\u9009\u62e9\u4f60\u7684\u4f5c\u4e1a\u6267\u884c\u5b89\u6392 <\/code><\/span><\/pre>\n
<span style="font-family: \u5b8b\u4f53;"><code>--<\/code><code>\u5982\u679c\u9009\u62e9"\u53cd\u590d\u51fa\u73b0" <\/code><\/span><\/pre>\n
<span style="font-family: \u5b8b\u4f53;"><code>--<\/code><code>\u70b9"\u66f4\u6539"\u6765\u8bbe\u7f6e\u4f60\u7684\u65f6\u95f4\u5b89\u6392 <\/code><\/span><\/pre>\n
<\/pre>\n
<\/pre>\n
<code><span style="font-family: \u5b8b\u4f53;">\u7136\u540e\u5c06SQL Agent\u670d\u52a1\u542f\u52a8,\u5e76\u8bbe\u7f6e\u4e3a\u81ea\u52a8\u542f\u52a8,\u5426\u5219\u4f60\u7684\u4f5c\u4e1a\u4e0d\u4f1a\u88ab\u6267\u884c <\/span><\/code><\/pre>\n
<\/pre>\n
<code><span style="font-family: \u5b8b\u4f53;">\u8bbe\u7f6e\u65b9\u6cd5: <\/span><\/code><\/pre>\n
<code><span style="font-family: \u5b8b\u4f53;">\u6211\u7684\u7535\u8111--\u63a7\u5236\u9762\u677f--\u7ba1\u7406\u5de5\u5177--\u670d\u52a1--\u53f3\u952e SQLSERVERAGENT--\u5c5e\u6027--\u542f\u52a8\u7c7b\u578b--\u9009\u62e9"\u81ea\u52a8\u542f\u52a8"--\u786e\u5b9a. <\/span><\/code><\/pre>\n
<\/pre>\n
<\/pre>\n
<span style="font-family: \u5b8b\u4f53;"><code>--3.<\/code><code>\u5b9e\u73b0\u540c\u6b65\u5904\u7406\u7684\u65b9\u6cd52,\u5b9a\u65f6\u540c\u6b65 <\/code><\/span><\/pre>\n
<\/pre>\n
<span style="font-family: \u5b8b\u4f53;"><code>--<\/code><code>\u5728srv1\u4e2d\u521b\u5efa\u5982\u4e0b\u7684\u540c\u6b65\u5904\u7406\u5b58\u50a8\u8fc7\u7a0b <\/code><\/span><\/pre>\n
<code><span style="font-family: \u5b8b\u4f53;">create proc p_process <\/span><\/code><\/pre>\n
<code><span style="font-family: \u5b8b\u4f53;">as <\/span><\/code><\/pre>\n
<span style="font-family: \u5b8b\u4f53;"><code>--<\/code><code>\u66f4\u65b0\u4fee\u6539\u8fc7\u7684\u6570\u636e <\/code><\/span><\/pre>\n
<code><span style="font-family: \u5b8b\u4f53;">update b set name=i.name,telphone=i.telphone <\/span><\/code><\/pre>\n
<span style="font-family: \u5b8b\u4f53;"><code>from srv2.<\/code><code>\u5e93\u540d.dbo.author b,author i <\/code><\/span><\/pre>\n
<code><span style="font-family: \u5b8b\u4f53;">where b.id=i.id and<\/span><\/code><\/pre>\n
<code><span style="font-family: \u5b8b\u4f53;">(b.name &lt;&gt; i.name or b.telphone &lt;&gt; i.telphone) <\/span><\/code><\/pre>\n
<\/pre>\n
<span style="font-family: \u5b8b\u4f53;"><code>--<\/code><code>\u63d2\u5165\u65b0\u589e\u7684\u6570\u636e <\/code><\/span><\/pre>\n
<span style="font-family: \u5b8b\u4f53;"><code>insert srv2.<\/code><code>\u5e93\u540d.dbo.author(id,name,telphone) <\/code><\/span><\/pre>\n
<code><span style="font-family: \u5b8b\u4f53;">select id,name,telphone from author i <\/span><\/code><\/pre>\n
<code><span style="font-family: \u5b8b\u4f53;">where not exists( <\/span><\/code><\/pre>\n
<span style="font-family: \u5b8b\u4f53;"><code>select * from srv2.<\/code><code>\u5e93\u540d.dbo.author where id=i.id) <\/code><\/span><\/pre>\n
<\/pre>\n
<span style="font-family: \u5b8b\u4f53;"><code>--<\/code><code>\u5220\u9664\u5df2\u7ecf\u5220\u9664\u7684\u6570\u636e(\u5982\u679c\u9700\u8981\u7684\u8bdd) <\/code><\/span><\/pre>\n
<code><span style="font-family: \u5b8b\u4f53;">delete b <\/span><\/code><\/pre>\n
<span style="font-family: \u5b8b\u4f53;"><code>from srv2.<\/code><code>\u5e93\u540d.dbo.author b <\/code><\/span><\/pre>\n
<code><span style="font-family: \u5b8b\u4f53;">where not exists( <\/span><\/code><\/pre>\n
<code><span style="font-family: \u5b8b\u4f53;">select * from author where id=b.id)<\/span><\/code><\/pre>\n
<span style="font-family: \u5b8b\u4f53;">go<code><strong><\/strong><\/code><\/span><\/pre>\n
 <\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"
\u7ecf\u5178SQL\u8bed\u53e5\u5927\u5168 \u4e00\u3001\u57fa\u7840 1\u3001\u8bf4\u660e\uff1a\u521b\u5efa\u6570\u636e\u5e93 CREATE DATABAS …<\/p>\n
\u7ee7\u7eed\u9605\u8bfb »<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[33],"tags":[37],"class_list":["post-122","post","type-post","status-publish","format-standard","hentry","category-db","tag-sql"],"_links":{"self":[{"href":"https:\/\/www.sulabs.net\/index.php?rest_route=\/wp\/v2\/posts\/122","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.sulabs.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.sulabs.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.sulabs.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.sulabs.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=122"}],"version-history":[{"count":4,"href":"https:\/\/www.sulabs.net\/index.php?rest_route=\/wp\/v2\/posts\/122\/revisions"}],"predecessor-version":[{"id":750,"href":"https:\/\/www.sulabs.net\/index.php?rest_route=\/wp\/v2\/posts\/122\/revisions\/750"}],"wp:attachment":[{"href":"https:\/\/www.sulabs.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=122"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.sulabs.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=122"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.sulabs.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=122"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}