Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

sqlÖÐÈÕÆÚ¸ñʽ

1 ---ÉϸöÔÂÔ³õµÚÒ»Ìì
  2  select CONVERT(varchar(12) , DATEADD(mm,DATEDIFF(mm,0,dateadd(mm,-1,getdate())),0), 112 )
  3
  4  ---ÉϸöÔÂÔÂÄ©×îºóÒ»Ìì
  5  select CONVERT(varchar(12),dateadd(ms,-3,DATEADD(mm,DATEDIFF(m,0,getdate()),0)), 112 )
  6
  7  --1. ÏÔʾ±¾ÔµÚÒ»Ìì
  8  
  9  SELECT DATEADD(mm,DATEDIFF(mm,0,getdate()),0)
10
11 select convert(datetime,convert(varchar(8),getdate(),120)+'01',120)
12
13 --2. ÏÔʾ±¾ÔÂ×îºóÒ»Ìì
14
15 select dateadd(day,-1,convert(datetime,convert(varchar(8),dateadd(month,1,getdate()),120)+'01',120))
16
17 SELECT dateadd(ms,-3,DATEADD(mm,DATEDIFF(m,0,getdate())+1,0))
18
19 --3. ÉϸöÔµÄ×îºóÒ»Ìì
20
21 SELECT dateadd(ms,-3,DATEADD(mm,DATEDIFF(mm,0,getdate()),0))
22
23 --4. ±¾ÔµĵÚÒ»¸öÐÇÆÚÒ»
24 select DATEADD(wk,DATEDIFF(wk,0, dateadd(dd,6-datepart(day,getdate()),getdate())),0)
25
26 --5. ±¾ÄêµÄµÚÒ»Ìì
27
28 SELECT DATEADD(yy,DATEDIFF(yy,0,getdate()),0)
29
30 --6. ±¾ÄêµÄ×îºóÒ»Ìì
31
32 SELECT dateadd(ms,-3,DATEADD(yy,DATEDIFF(yy,0,getdate())+1,0))
33
34 --7. È¥ÄêµÄ×îºóÒ»Ìì
35
36 SELECT dateadd(ms,-3,DATEADD(yy,DATEDIFF(yy,0,getdate()),0))
37
38 --8. ±¾¼¾¶ÈµÄµÚÒ»Ìì
39
40 SELECT DATEADD(qq,DATEDIFF(qq,0,getdate()),0)
41
42 --9. ±¾ÖܵÄÐÇÆÚÒ»
43
44 SELECT DATEADD(wk,DATEDIFF(wk,0,getdate()),0)
45
46 --10. ²éѯ±¾ÔµļǼ
47
48 select * from tableName where DATEPART(mm, theDate)=DATEPART(mm, GETDATE()) and DATEPART(yy, theDate) = DATEPART(yy, GETDATE())
49
50 --11. ²éѯ±¾ÖܵļǼ
51
52 select * from tableName where DATEPART(wk, theDate) = DATEPART(wk, GETDATE()) and DATEPART(yy, theDate) = DATEPART(yy, GETDATE())
53
54 --12 ²éѯ±¾¼¾µÄ¼Ç¼ ×¢£ºÆäÖÐ:GETDATE() ÊÇ»ñµÃϵͳʱ¼äµÄº¯Êý¡£
55
56 select * from tableName where DATEPART(qq, theDate) = DATEPART(qq, GETDATE()) and DATEPART(yy, theDate) = DATEPART(yy, GETDATE())
57
58 --13. »ñÈ¡µ±ÔÂ×ÜÌìÊý:
59
60 select DATEDIFF(dd,getdate(),DATEADD(mm, 1, getd


Ïà¹ØÎĵµ£º

SQL µ¼³öµ½ Ö¸¶¨ACCESS±í ÍêÃÀ·½°¸

ÓÉÓÚ³ÌÐòÐèÒª°ÑSQL SERVER ÀïµÄÊý¾Ýµ¼Èëµ½ACCESSÀï.
¸Õ¿ªÊ¼Ê¹ÓÃDataSetÀ´Ñ­»·.
Êý¾ÝÁ¿ÉÙµÄʱºò»¹Ëã¿ÉÒÔÓ¦¸¶µÄ¹ýÀ´.
µ«µ±Êý¾Ý¶àµÄʱºò.
»á±¨´í"λÖôíÎó"
ÔÚÍøÉÏËÑѰһ·¬.ÕÒµ½Ò»¸ö·½·¨.
ʹÓÃinsert into openrowset
½Ó×Å´íÎóÒ»¸ö½ÓÒ»¸öµÄÀ´..
"²åÈë´íÎó: ÁÐÃû»òËùÌṩֵµÄÊýÄ¿Óë±í¶¨Ò岻ƥÅä¡£"
"δÄÜÕÒµ½ OLE DB Ì ......

How to use PL SQL Developer in Ubuntu

You can user PL SQL Developer in Ubuntu like in Windows:
1.download PL/SQL Developer for linux;
2.Install JDK berfore the next;
3.install the PL/SQL Developer;
4.goto the $PL/SQL Developer,run sh sqldeverloper.sh;
5.type the $JDK;
6.then the PL/SQL Developer will startup. ......

PowerDesignerÉú³ÉsqlºÍ·´Ïò¹¤³ÌÉú³ÉERͼµÄÎÊÌâ

PowerDesignerÉú³ÉsqlºÍ·´Ïò¹¤³ÌÉú³ÉERͼµÄÎÊÌâ
Ò»¡¢PowerDesignerÉú³ÉsqlÎÊÌâ
Éú³ÉsqlµÄ·½·¨ÊÇ Database -->Generate Database (Ctrl + G ) µ«ÊÇÌáʾ
Could not load VBScript engine.
Check VBScript installation.
Generation aborted due to errors detected during the verification of the model.
¼ì²éÁ˺à ......

ʹÓÃSQLÓï¾ä´´½¨Êý¾Ý¿â


ʹÓÃSQLÓï¾ä´´½¨Êý¾Ý¿â
±¾ÎÄת×Ô£ºhttp://www.cppblog.com/twzheng/archive/2008/07/07/55508.html
      ÓÃCREATE DATABASE´´½¨Êý¾Ý¿âµÄÓï·¨¸ñʽ£º
      CREATE DATABASE database_name   /*Ö¸¶¨Êý¾Ý¿âÃû*/
      [ON× ......

sql newid()Ëæ»úº¯Êý

´ÓA±íËæ»úÈ¡2Ìõ¼Ç¼,ÓÃSELECT TOP 10 * from ywle order by newid()
order by Ò»°ãÊǸù¾Ýijһ×Ö¶ÎÅÅÐò,newid()µÄ·µ»ØÖµÊÇuniqueidentifier ,order by newid()Ëæ»úѡȡ¼Ç¼ÊÇÈçºÎ½øÐеÄ
newid()ÔÚɨÃèÿÌõ¼Ç¼µÄʱºò¶¼Éú³ÉÒ»¸öÖµ, ¶øÉú³ÉµÄÖµÊÇËæ»úµÄ, ûÓдóСд˳Ðò. ËùÒÔ×îÖÕ½á¹ûÔÙ°´Õâ¸öÅÅÐò, ÅÅÐòµÄ½á¹ûµ±È»¾ÍÊÇÎÞÐòµ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ