as
select 'fff'
exec #pr_xxx聽聽 聽--鎵ц瀛樺偍榪囩▼
-------鎵╁睍瀛樺偍榪囩▼
exec xp_cmdshell 'dir c:\'
鍙墽琛孌OS鐨勫懡浠わ紝濡傚垹闄わ紝鍒涘緩錛屽鍒剁瓑絳?br />
------瀛樺偍榪囩▼瀹炰緥涓(鍔犳硶榪愮畻)
create procedure pr_sss
@n1 smallint,
@n2 smallint,
@sum smallint output
as
set @sum=@n1+@n2
return 10
go
declare @sss smallint,@ddd int
exec @ddd=pr_sss 20,10,@sss output
print @ddd
print @sss
------瀛樺偍榪囩▼瀹炰緥浜?pr_helptext)
create procedure pr_helptext聽聽 聽--淇敼鐢╝lter
@arg1 varchar(100)
as
select text from syscomments where object_id(@arg1)=id
go
exec pr_helptext pr_sss
------瀛樺偍榪囩▼瀹炰緥涓?br />create procedure pr_ksk
as
insert into ssss_bak
select * from ssss
exec pr_ksk
------鑷姩澶囦喚鏁版嵁搴?with init鏄噸鍐?
declare @path varchar(100)
set @path=convert(varchar(10),getdate(),120)
set @path='d:\bak1\'+@path+'.bak'
backup database shidian to disk=@path with init
------鑷姩鍒犻櫎澶囦喚(鍓?澶?
declare @path varchar(100)
set @path=convert(varchar(10),getdate()-5,120)
set @path=' del d:\bak1\'+@path+'.bak'
exec master.dbo.xp_cmdshell @path
-------鑷姩澶囦喚鍒犻櫎鏂囦歡(鍓?澶?
declare @path varchar(100)
set @path=convert(varchar(10),getdate(),120)
set @path='d:\bak1\'+@path+'.bak'
print @path
backup database shidian to disk=@path with INIT
set @path=convert(varchar(10),getdate()-5,120)
set @path='del d:\bak1\'+@path+'.bak'
print @path
EXEC master.dbo.xp_cmdshell聽 @path
浣跨敤鍔犳硶榪愮畻絎﹀皢澶╂暟鍔犲埌鏃ユ湡鍜屾椂闂村間腑聽聽
涓嬮潰鐨勭ず渚嬪皢鑻ュ共澶╂暟鍔犲埌聽聽 datetime聽聽 鏃ユ湡涓娿?br />
SELECT DATEDIFF(mi, CONVERT(datetime,'11:00:00'),CONVERT(datetime,'13:30:00'))/60.0
SELECT DATEDIFF(MINUTE,'2002-1-1 11:00:00','2002-1-1 13:30:00') / 60 + CASE WHEN DATEDIFF(minute,'2002-1-1 11:00:00','2002-1-1 13:30:00') % 60 >=30 THEN 0.5 ELSE 0 END聽
聽聽聽
聽 DECLARE聽聽 @startdate聽聽 datetime,聽聽 @adddays聽聽 int聽聽
聽 SET聽聽 @startdate聽聽 =聽聽 '1/10/1900聽聽 12:00聽聽 AM'聽聽
聽 SET聽聽 @adddays聽聽 =聽聽 5聽聽
聽 SET聽聽 NOCOUNT聽聽 OFF聽聽
聽 SELECT聽聽 @startdate聽聽 +聽聽 1.25聽聽 AS聽聽 'Start聽聽 Date',聽聽聽聽
聽聽聽聽聽聽聽 @startdate聽聽 +聽聽 @adddays聽聽 AS聽聽 'Add聽聽 Date'聽聽
聽聽聽
聽 涓嬮潰鏄粨鏋滈泦錛毬犅?
聽聽聽
聽 Start聽聽 Date聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽 Add聽聽 Date聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽
聽 ---------------------------聽聽 ---------------------------聽聽聽聽
聽 Jan聽聽 11聽聽 1900聽聽聽聽 6:00AM聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽 Jan聽聽 15聽聽 1900聽聽 12:00AM聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽
]]>