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 ......

SQL SERVER ÓëACCESS¡¢EXCELµÄÊý¾Ýת»»

Ò»¡¢           SQL SERVER ºÍACCESSµÄÊý¾Ýµ¼Èëµ¼³ö
³£¹æµÄÊý¾Ýµ¼Èëµ¼³ö£º
ʹÓÃDTSÏòµ¼Ç¨ÒÆÄãµÄAccessÊý¾Ýµ½SQL Server£¬Äã¿ÉÒÔʹÓÃÕâЩ²½Öè:
¡¡¡¡1ÔÚSQL SERVERÆóÒµ¹ÜÀíÆ÷ÖеÄTools£¨¹¤¾ß£©²Ëµ¥ÉÏ£¬Ñ¡ÔñData Transformation
¡¡¡¡2Services£¨Êý¾Ýת»»·þÎñ£©£¬È»ºó ......

sqlÓÅ»¯34Ìõ

ÎÒÃÇÒª×öµ½²»µ«»áдSQL,»¹Òª×öµ½Ð´³öÐÔÄÜÓÅÁ¼µÄSQL,ÒÔÏÂΪ±ÊÕßѧϰ¡¢ÕªÂ¼¡¢²¢»ã×ܲ¿·Ö×ÊÁÏÓë´ó¼Ò·ÖÏí£¡
£¨1£©      Ñ¡Ôñ×îÓÐЧÂʵıíÃû˳Ðò(Ö»ÔÚ»ùÓÚ¹æÔòµÄÓÅ»¯Æ÷ÖÐÓÐЧ)£º
ORACLE µÄ½âÎöÆ÷°´ÕÕ´ÓÓÒµ½×óµÄ˳Ðò´¦Àífrom×Ó¾äÖеıíÃû£¬from×Ó¾äÖÐдÔÚ×îºóµÄ±í(»ù´¡±í driving table)½«±»×îÏÈ´¦À ......

SQLµÄÓÅ»¯

´ó¼Ò¶¼ÔÚÌÖÂÛ¹ØÓÚÊý¾Ý¿âÓÅ»¯·½ÃæµÄ¶«¶«£¬¸ÕºÃ²ÎÓ뿪·¢ÁËÒ»¸öÊý¾Ý²Ö¿â·½ÃæµÄÏîÄ¿£¬ÒÔϵÄÒ»µã¶«Î÷ËãÊÇÊý¾Ý¿âÓÅ»¯·½ÃæµÄѧϰ+ʵսµÄһЩÐĵÃÌå»áÁË£¬ÄóöÀ´´ó¼Ò¹²Ïí¡£»¶Ó­ÅúÆÀÖ¸Õý°¢£¡
SQLÓï¾ä£º
ÊǶÔÊý¾Ý¿â(Êý¾Ý)½øÐвÙ×÷µÄΩһ;¾¶£»
ÏûºÄÁË70%~90%µÄÊý¾Ý¿â×ÊÔ´£»¶ÀÁ¢ÓÚ³ÌÐòÉè¼ÆÂß¼­£¬Ïà¶ÔÓÚ¶Ô³ÌÐòÔ´´úÂëµÄÓÅ»¯£¬¶ÔSQ ......

[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