MSSQLÊý¾Ý¿â²Ù×÷ʹÓÃÓï¾ä
1.°´ÐÕÊϱʻÅÅÐò:
Select * from TableName Order By CustomerName Collate Chinese_PRC_Stroke_ci_as
2.·ÖÒ³SQLÓï¾ä
select * from(select (row_number() OVER (ORDER BY tab.ID Desc)) as rownum,tab.* from ±íÃû As tab) As t where rownum between ÆðʼλÖà And ½áÊøÎ»ÖÃ
3.»ñÈ¡µ±Ç°Êý¾Ý¿âÖеÄËùÓÐÓû§±í
select * from sysobjects where xtype='U' and category=0
4.»ñȡijһ¸ö±íµÄËùÓÐ×Ö¶Î
select name from syscolumns where id=object_id('±íÃû')
5.²é¿´Óëijһ¸ö±íÏà¹ØµÄÊÓͼ¡¢´æ´¢¹ý³Ì¡¢º¯Êý
select a.* from sysobjects a, syscomments b where a.id = b.id and b.text like '%±íÃû%'
6.²é¿´µ±Ç°Êý¾Ý¿âÖÐËùÓд洢¹ý³Ì
select name as ´æ´¢¹ý³ÌÃû³Æ from sysobjects where xtype='P'
7.²éѯÓû§´´½¨µÄËùÓÐÊý¾Ý¿â
select * from master..sysdatabases D where sid not in(select sid from master..syslogins where name='sa')
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select dbid, name AS DB_NAME from master..sysdatabases where sid <> 0x01
8.²éѯijһ¸ö±íµÄ×ֶκÍÊý¾ÝÀàÐÍ
select column_name,data_type from information_schema.columns
where table_name = '±íÃû'
9.ʹÓÃÊÂÎñ
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Begin tran
Insert Into TableName Values(…)
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Rollback tran
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Commit tran
10. °´È«ÎÄÆ¥Å䷽ʽ²éѯ
×Ö¶ÎÃû LIKE N'%[^a-zA-Z0-9]China[^a-zA-Z0-9]%'
OR ×Ö¶ÎÃû LIKE N'%[^a-zA-Z0-9]China'
OR ×Ö¶ÎÃû LIKE N'China[^a-zA-Z0-9]%'
OR ×Ö¶ÎÃû LIKE N'China
11£®¼ÆËãÖ´ÐÐSQLÓï¾ä²éѯʱ¼ä
declare @d datetime
set @d=getdate()
select * from SYS_ColumnProperties select [Óï¾äÖ´Ðл¨·Ñʱ¼ä(ºÁÃë)]=datediff(ms,@d,getdate())
12¡¢ËµÃ÷£º¼¸¸ö¸ß¼¶²éѯÔËËã´Ê
A£º UNION ÔËËã·û
UNION ÔËËã·ûͨ¹ý×éºÏÆäËûÁ½¸ö½á¹û±í£¨ÀýÈç TABLE1 ºÍ TA
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How is MSSQL using memory?
http://www.sqlhacks.com/Administration/Memory-Usage
Memory is one the most important factor affecting MSSQL performance.
As an administrator, you should be monitoring the memory
regularly. When Microsoft SQL Server runs out of memory, it will use
virtual memory: ie: ......