¹ØÓÚSQL SERVERʱ¼ä¸ñʽʹÓõÄһЩ×ܽá

---ÉϸöÔÂÔ³õµÚÒ»Ìì
select CONVERT(varchar(12) , DATEADD(mm,DATEDIFF(mm,0,dateadd(mm,-1,getdate())),0), 112 )
---ÉϸöÔÂÔÂÄ©×îºóÒ»Ìì
select CONVERT(varchar(12),dateadd(ms,-3,DATEADD(mm,DATEDIFF(m,0,getdate()),0)), 112 )
1. ÏÔʾ±¾ÔµÚÒ»Ìì
SELECT DATEADD(mm,DATEDIFF(mm,0,getdate()),0)
select convert(datetime,convert(varchar(8),getdate(),
120)+'01',120)
 
2. ÏÔʾ±¾ÔÂ×îºóÒ»Ìì
select dateadd(day,-1,convert(datetime,convert
(varchar(8),dateadd(month,1,getdate()),120)+'01',120))
SELECT dateadd(ms,-3,DATEADD(mm,DATEDIFF(m,0,getdate())+1,0))
 
3. ÉϸöÔµÄ×îºóÒ»Ìì
SELECT dateadd(ms,-3,DATEADD(mm,DATEDIFF(mm,0,getdate()),0))
 
4. ±¾ÔµĵÚÒ»¸öÐÇÆÚÒ»i
select DATEADD(wk,DATEDIFF(wk,0, dateadd(dd,6-datepart(
day,getdate()),getdate())),0)
 
5. ±¾ÄêµÄµÚÒ»Ìì
SELECT DATEADD(yy,DATEDIFF(yy,0,getdate()),0)
 
6. ±¾ÄêµÄ×îºóÒ»Ìì
SELECT dateadd(ms,-3,DATEADD(yy,DATEDIFF(yy,0,getdate())+1,0))
 
7. È¥ÄêµÄ×îºóÒ»Ìì
SELECT dateadd(ms,-3,DATEADD(yy,DATEDIFF(yy,0,getdate()),0))
 
8. ±¾¼¾¶ÈµÄµÚÒ»Ìì
SELECT DATEADD(qq,DATEDIFF(qq,0,getdate()),0)
 
9. ±¾ÖܵÄÐÇÆÚÒ»
SELECT DATEADD(wk,DATEDIFF(wk,0,getdate()),0)
 
10. ²éѯ±¾ÔµļǼ
select * from tableName where DATEPART(mm, theDate)
 =DATEPART(mm, GETDATE()) and DATEPART(yy, theDate)
= DATEPART(yy, GETDATE())
 
11. ²éѯ±¾ÖܵļǼ
select * from tableName where DATEPART(wk, theDate) = DATEPART
(wk, GETDATE()) and DATEPART(yy, theDate) = DATEPART(yy, GETDATE())
 
12 ²éѯ±¾¼¾µÄ¼Ç¼ ×¢£ºÆäÖÐ:GETDATE() ÊÇ»ñµÃϵͳʱ¼äµÄº¯Êý¡£
select * from tableName where DATEPART(qq, theDate) = DATEPART
(qq, GETDATE()) and DATEPART(yy, theDate) = DATEPART(yy, GETDATE())
 
13. »ñÈ¡µ±ÔÂ×ÜÌìÊý:
select DATEDIFF(dd,getdate(),DATEADD
(mm, 1, getdate()))
 
select datediff(day,
dateadd(mm, datediff(mm,'',getdate()), ''),
dateadd(mm, datediff(mm,'',getdate()), '1900-02-01'))
 
14. »ñÈ¡µ±Ç°ÎªÐÇÆÚ¼¸
DATENAME(weekday, getdate())
 
&nbs