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1.°´ÐÕÊϱʻ­ÅÅÐò:Select * from TableName Order By CustomerName Collate Chinese_PRC_Stroke_ci_as
2.Êý¾Ý¿â¼ÓÃÜ:select encrypt('ԭʼÃÜÂë')
select pwdencrypt('ԭʼÃÜÂë')
select pwdcompare('ԭʼÃÜÂë','¼ÓÃܺóÃÜÂë') = 1--Ïàͬ£»·ñÔò²»Ïàͬ encrypt('ԭʼÃÜÂë')
select pwdencrypt('ԭʼÃÜÂë')
select pwdcompare('ԭʼÃÜÂë','¼ÓÃܺóÃÜÂë') = 1--Ïàͬ£»·ñÔò²»Ïàͬ
3.È¡»Ø±íÖÐ×Ö¶Î:declare @list varchar(1000),@sql nvarchar(1000)
select @list=@list+','+b.name from sysobjects a,syscolumns b where a.id=b.id and a.name='±íA'
set @sql='select '+right(@list,len(@list)-1)+' from ±íA'
exec (@sql)
4.²é¿´Ó²ÅÌ·ÖÇø:EXEC master..xp_fixeddrives
5.±È½ÏA,B±íÊÇ·ñÏàµÈ:if (select checksum_agg(binary_checksum(*)) from A)
=
(select checksum_agg(binary_checksum(*)) from B)
print 'ÏàµÈ'
else
print '²»ÏàµÈ'
6.ɱµôËùÓеÄʼþ̽²ìÆ÷½ø³Ì:DECLARE hcforeach CURSOR GLOBAL FOR SELECT 'kill '+RTRIM(spid) from master.dbo.sysprocesses
WHERE program_name IN('SQL profiler',N'SQL ʼþ̽²éÆ÷')
EXEC sp_msforeach_worker '?'
7.¼Ç¼ËÑË÷:¿ªÍ·µ½NÌõ¼Ç¼
Select Top N * from ±í
-------------------------------
Nµ½MÌõ¼Ç¼(ÒªÓÐÖ÷Ë÷ÒýID)
Select Top M-N * from ±í Where ID in (Select Top M ID from ±í) Order by ID Desc
----------------------------------
Nµ½½áβ¼Ç¼
Select Top N * from ±í Order by ID Desc
8.ÈçºÎÐÞ¸ÄÊý¾Ý¿âµÄÃû³Æ:sp_renamedb 'old_name', 'new_name'
9£º»ñÈ¡µ±Ç°Êý¾Ý¿âÖеÄËùÓÐÓû§±í
select Name from sysobjects where xtype='u' and status>=0
10£º»ñȡijһ¸ö±íµÄËùÓÐ×Ö¶Î
select name from syscolumns where id=object_id('±íÃû')
11£º²é¿´Óëijһ¸ö±íÏà¹ØµÄÊÓͼ¡¢´æ´¢¹ý³Ì¡¢º¯Êý
select a.* from sysobjects a, syscomments b where a.id = b.id and b.text like '%±íÃû%'
12£º²é¿´µ±Ç°Êý¾Ý¿âÖÐËùÓд洢¹ý³Ì
select name as ´æ´¢¹ý³ÌÃû³Æ from sysobjects where xtype='P'
13£º²éѯÓû§´´½¨µÄËùÓÐÊý¾Ý¿â
select * from master..sysdatabases D where sid not in(select sid from master..syslogins where name='sa')
»òÕß
select dbid, name AS DB_NAME from master..sysdatabases where sid <> 0x01
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