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

¹ØÓÚSQLʱ¼äÀàÐ͵ÄÄ£ºý²éѯ

½ñÌìÓÃtime Like '2008-06-01%'Óï¾äÀ´²éѯ¸ÃÌìµÄËùÓÐÊý¾Ý£¬±»ÌáʾÓï¾ä´íÎó¡£²éÁËһϲŷ¢ÏÖ¸ÃÄ£ºý²éѯֻÄÜÓÃÓÚStringÀàÐ͵Ä×ֶΡ£
×Ô¼ºÒ²²éÔÄÁËһЩ×ÊÁÏ¡£¹ØÓÚʱ¼äµÄÄ£ºý²éѯÓÐÒÔÏÂÈýÖÖ·½·¨£º
 
1.Convertת³ÉString,ÔÚÓÃLike²éѯ¡£
select * from table1   where convert(varchar,date,120) like   '2006-04-01%'  
 
2.Between
select * from table1 where time between '2006-4-1 0:00:00' and '2006-4-1 24:59:59'";
 
3 datediff()º¯Êý
select * from table1   where datediff(day,time,'2006-4-1')=0
 
µÚÒ»ÖÖ·½·¨Ó¦¸ÃÊÊÓÃÓëÈκÎÊý¾ÝÀàÐÍ;
µÚ¶þÖÖ·½·¨ÊÊÓÃStringÍâµÄÀàÐÍ£»
µÚÈýÖÖ·½·¨ÔòÊÇΪdateÀàÐͶ¨ÖƵıȽÏʵÓÿì½ÝµÄ·½·¨¡£


Ïà¹ØÎĵµ£º

JTDSÁ¬½ÓSQL Server Óöµ½µÄÎÊÌâ

½ñÌìÔÚÓÃJTDSÁ¬½ÓSQL Server ʱºò£¬Óöµ½¼¸¸öÎÊÌ⣬¼Ç¼ÈçÏ£º
error while performing database login with the jtds driver:
network error ioexception:connection refused: connect
È»ºó²é¿´¶Ë¿Ú£¬Ô­À´ÊÇ1433¶Ë¿Úδ´ò¿ª£¬È»ºóÔÚSQL Server configuration ManagerϵÄTCP\IPÖÐÆôÓÃ1433¶Ë¿Ú£¬ÖØÆôSQL Server·þÎñ£¬netst ......

Java¡¢sql server 2000¼°jdbc

ÎÒÔÚѧϰ¹ØÓÚjava±à³Ì£¬ÏÖÔÚÉæ¼°µ½µÄÊÇsqlµÄÎÊÌ⣬±ÈÈçÈí¼þÑ¡Ôñ¡¢»·¾³µÄÁ¬½ÓÉèÖõÈÎÊÌ⣬¶ÔÓÚÕâЩÎÊÌâÎÒÕæÊÇÊøÊÖÎ޲߰¡£¡ÇëÇóJava±à³Ì¸ßÊִͽ̣º
      1¡¢ÎÒÓõÄJavaÊÇj2sdk-1_4_2_13-nb-5_0£¬ÎÒÓÃÁËsql server2000£¬ÎÒÓÃjdbc3.0ÐÐÂð£¿ËùÓÐÁ¬½ÓÉèÖøÃÔõôÑùÉèÖã¿
    &nb ......

SQL Serverº¯Êý´óÈ«

  --¾ÛºÏº¯Êý
use pubs
go
select avg(distinct price)  --ËãÆ½¾ùÊý
from titles
where type='business'
go 
use pubs
go
select max(ytd_sales)  --×î´óÊý
from titles
go 
use pubs
go
select min(ytd_sales)& ......

[SQL]ÈçºÎд³ö¸ßЧµÄSQL

±ÜÃâʹÓÃIN ²Ù×÷·û
   ÓÃINд³öÀ´µÄSQLµÄÓŵãÊDZȽÏÈÝÒ×д¼°ÇåÎúÒ×¶®£¬Õâ±È½ÏÊʺÏÏÖ´úÈí¼þ¿ª·¢µÄ·ç¸ñ¡£
µ«ÊÇÓÃINµÄSQLÐÔÄÜ×ÜÊDZȽϵ͵쬴ÓORACLEÖ´ÐеIJ½ÖèÀ´·ÖÎöÓÃINµÄSQLÓë²»ÓÃINµÄSQLÓÐÒÔÏÂÇø±ð£º
 ¡¡ORACLEÊÔͼ½«Æäת»»³É¶à¸ö±íµÄÁ¬½Ó£¬Èç¹ûת»»²»³É¹¦ÔòÏÈÖ´ÐÐINÀïÃæµÄ×Ó²éѯ£¬ÔÙ²éѯÍâ²ãµÄ±í¼Ç ......

[SQL]´æ´¢¹ý³ÌµÄʹÓÃ

1.ÔÚmssql´´½¨´æ´¢¹ý³Ì,ÔÚdb->´æ´¢¹ý³Ì->н¨´æ´¢¹ý³Ì(ÓÒ¼ü)
CREATE PROCEDURE user_logon_check @username varchar(45),@userpsw varchar(45)
 AS
select * from users where UserName = @username and PasswordCode = @userpsw
return 10
GO
2.ÔÚmysql´´½¨´æ´¢¹ý³Ì,ʹÓÃMysql Query Browser,ÔÚdb->±í ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ