´¥·¢Æ÷»ñÈ¡Ð޸ıíµÄSQLÓï¾ä
/*
´¥·¢Æ÷»ñÈ¡SQLÓï¾äÔöÁ¿´«Êä
¹¦ÄÜ£º²¶×½Ð޸ıíµÄSQLÓï¾ä
ʹÓÃ˵Ã÷£º 1¡¢ÏÈн¨Ò»±íÊÖ¶¯Ð´ÈëÖ÷¼üÐÅÏ¢»òÕßΨһË÷Òý
Create table prmary_key
(tab_name varchar(255),
key_name varchar(255))
--´Ë±í½öÔÚ½¨Á¢´¥·¢Æ÷ʱʹÓ㬽¨ÍêËùÓд¥·¢Æ÷ºó ¼ÇµÃɾ³ý
2¡¢½¨´¥·¢Æ÷½öÐèÒªÐÞ¸Ä@tab_name±äÁ¿£¬¼´¿É
Create By Yujiang
*/
Declare @cursql varchar(8000),
@cursqltmp varchar(8000),
@curkey Varchar(500), --Ö÷¼ü»òΨһË÷Òý
@curkeytmp Varchar(2000), --Ö÷¼üÑ»·ÓÃ
@curkeywhere Varchar(1000), --Ö÷¼üÌõ¼þ
@curkeyjoin Varchar(1000), --¹ØÁªÌõ¼þ
@curexecsql varchar(5000), --Ö´ÐÐSQL
@curcols varchar(2000), --ËùÓеÄÁÐÃû
@curcolstmp varchar(2000), --Ñ»·ÓÃ
@tab_name varchar(255),
@curtmp varchar(255), --Ñ»·ÓÃ
@curcoltype varchar(255) --×Ö¶ÎÊý¾ÝÀàÐÍ
Set @tab_name = 'tj_suggestion' --¡ïÐèÒªÊÖ¶¯ÐÞ¸Ä
Select @cursql = ' if exists(select * from sysobjects where name = '+ char(39) + 'tr_' + @tab_name +'_ZLYJ' + char(39) + ' and type = ''TR'')'
+ char(13) + char(10)
+ ' drop trigger tr_'+ @tab_name + '_ZLYJ'
Exec(@cursql)
--»ñÈ¡Ö÷¼ü
Select @curkey = key_name from prmary_key where tab_name = @tab_name
if (@curkey is Null or @curkey = '')
Begin
Print @tab_name + 'ûÓÐÖ÷¼ü»òΨһË÷ÒýÎÞ·¨²¶×½SQLÓï¾ä'
Return
End
Set @curcols = ''
Set @cursqltmp = ''
if right(@curkey,1) <> ','
Set @curkey = @curkey + ','
declare @col_name varchar(50)
Declare #tmp_cur cursor
for select name from syscolumns where id = object_id(@tab_name)
open #tmp_cur
fetch next from #tmp_cur into @col_name
while @@fetch_status = 0
&nbs
Ïà¹ØÎĵµ£º
Èç¹ûÄãµÄÊý¾Ý¿âÔËÐÐÔÚÍêÕû»òÊÇÅúÁ¿ÈÕÖ¾»Ö¸´Ä£Ê½Ï£¬ÄÇôÄã¾ÍÐèҪʹÓÃ×÷Òµ(job)À´¶¨ÆÚ±¸·ÝÊÂÎñÈÕÖ¾£¬±£³ÖÄãµÄÊÂÎñÎļþ´óС´¦ÔÚÒ»¸ö¿É¹ÜÀíµÄ·¶Î§¡£µ±ÄãÐèÒª»¹ÔÊÂÎñÈÕ־ʱ£¬Äã¾ÍÐèÒª°´ÕÕ´´½¨ÊÂÎñÈÕÖ¾µÄ˳ÐòÀ´»Ö¸´ËüÃÇ¡£Äã¿ÉÒԲο¼´æÔÚmsdb..backupset±íÖеÄÐÅÏ¢À´È·¶¨»¹ÔÎļþµÄ˳Ðò£¬Ê¹ÓÃFirstLSNºÍLastLSNÁеÄÖµ×÷²Î¿¼¡£µ±Ä ......
Sql Server ÓÐÈçϼ¸Ö־ۺϺ¯ÊýSUM¡¢AVG¡¢COUNT¡¢COUNT(*)¡¢MAX ºÍ MIN£¬µ«ÊÇÕâЩº¯Êý¶¼Ö»ÄܾۺÏÊýÖµÀàÐÍ£¬ÎÞ·¨¾ÛºÏ×Ö·û´®¡£Èçϱí:AggregationTable
Id Name
1 ÕÔ
2 Ç®
1 Ëï
1 Àî
2 ÖÜ
Èç¹ûÏëµÃµ½ÏÂͼµÄ¾ÛºÏ½á¹û
Id Name
1 ÕÔËïÀî
2 Ç®ÖÜ
ÀûÓÃSUM¡¢AVG¡¢COUNT¡¢COUNT(*)¡¢MAX ºÍ MINÊÇÎÞ·¨×öµ½µ ......
Ò» µ¥´Ê½âÊÍ(2·Ö/¸ö) 34·Ö
¡¡¡¡Data Êý¾Ý Database Êý¾Ý¿â RDBMS ¹ØÏµÊý¾Ý¿â¹ÜÀíϵͳ GRANT ÊÚȨ
¡¡¡¡REVOKE È¡ÏûȨÏÞ DENY ¾Ü¾øÈ¨ÏÞ DECLARE ¶¨Òå±äÁ¿ PROCEDURE´æ´¢¹ý³Ì
¡¡¡¡ÊÂÎñ Transaction ´¥·¢Æ÷ TRIGGER ¼ÌÐø continue Ψһ unqiue
¡¡¡¡Ö÷¼ü primary key ±êʶÁÐ identity Íâ¼ü foreign key ¼ì ......
²Î¿¼¡¶ASP.NETÓëSQLÒ»Æð´ò°ü²¿Êð°²×°¡·
£¬ÕâÆªÎÄÕÂÊÇÕë¶ÔVB.NETÓëSQL Ò»Æð´ò°üµÄ,µ«ÊÇÎÒʹÓõÄÊÇC#,µ±È»Ö»ÒªÐÞ¸ÄÒ»ÏÂÖ÷Òª°²×°Àà¿â¾ÍÐÐÁË!C#µÄÀà¿â´úÂëÈçÏÂ:DBCustomAction.cs
using System;
using System.Collections;
using System.Data.SqlClient;
using System.ComponentModel;
using System.Configuration.Inst ......