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Shrink SQL Server 2008 Database + Log File Script

Use DatabaseName
--DB shrink
--»ñÈ¡database ¿ÕÓà¿Õ¼ä£¬¡¡¾ö¶¨ÊÇ·ñ×÷shrinkDB
exec [DBNAME].dbo.sp_spaceused
DBCC ShrinkDB(DBNAME)
--Log file shrink
Use DatabaseName
GO
Alter Database DatabaseName Set Recovery Simple
GO
Alter Database DatabaseName Set Recovery Full
GO
DBCC SHRINKFILE ('LogFileName', 1)
GO
DBCC SHRINKFILE ('LogFileName', 1)
GO
DBCC SHRINKFILE ('LogFileName', 1)
GO
DBCC SHRINKFILE ('LogFileName', 1)
GO
DBCC SHRINKFILE ('LogFileName', 1)
GO
DBCC SHRINKFILE ('LogFileName', 1)
GO


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       VARCHAR2»òCHAR —¡µNUMBER
       VARCHAR2»òCHAR —¡µDATE
       NUMBER —¡µVARCHAR ......

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£Í£å£ò£ç£å SQL 2008

merge [target] t
using [source] s on t.id = s.id
when matched then update t.name = s.name, t.age = s.age -- use "rowset1"
when not matched then insert values(id,name,age) -- use "rowset2"
when source not matched then delete; -- use "rowset3"
MERGE dbo.table AS im ......

SQL ʹÓà CONVERT

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CONVERT (data_type[(length)], expression [, style])
select CONVERT(varchar, getdate(), 120 )
2004-09-12 11:06:08
select replace(replace(replace(CONVERT(varchar, getdate(), 120 ),\'-\',\'\'),\' \',\'\'),\':\',\'\')
20040912110608
select CONVERT(varchar(12) , getdate(), 111 ) ......
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