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

SQL LIKE ͨÅä·û


ͨÅä·û ˵Ã÷
_    ÓëÈÎÒâµ¥×Ö·ûÆ¥Åä
 
%    Óë°üº¬Ò»¸ö»ò¶à¸ö×Ö·ûµÄ×Ö·û´®Æ¥Åä
 
[ ]  ÓëÌØ¶¨·¶Î§£¨ÀýÈ磬[a-f]£©»òÌØ¶¨¼¯£¨ÀýÈ磬[abcdef]£©ÖеÄÈÎÒâµ¥×Ö·ûÆ¥Åä¡£
 
[^]  ÓëÌØ¶¨·¶Î§£¨ÀýÈ磬[^a-f]£©»òÌØ¶¨¼¯£¨ÀýÈ磬[^abcdef]£©Ö®ÍâµÄÈÎÒâµ¥×Ö·ûÆ¥Åä¡£
 
Àý×Ó:
• WHERE FirstName LIKE '_im' ¿ÉÒÔÕÒµ½ËùÓÐÈý¸ö×ÖĸµÄ¡¢ÒÔ im ½áβµÄÃû×Ö£¨ÀýÈ磬Jim¡¢Tim£©¡£
 
• WHERE LastName LIKE '%stein' ¿ÉÒÔÕÒµ½ÐÕÒÔ stein ½áβµÄËùÓÐÔ±¹¤¡£
 
• WHERE LastName LIKE '%stein%' ¿ÉÒÔÕÒµ½ÐÕÖÐÈÎÒâλÖðüÀ¨ stein µÄËùÓÐÔ±¹¤¡£
 
• WHERE FirstName LIKE '[JT]im' ¿ÉÒÔÕÒµ½Èý¸ö×ÖĸµÄ¡¢ÒÔ im ½áβ²¢ÒÔ J »ò T ¿ªÊ¼µÄÃû×Ö£¨¼´½öÓÐ Jim ºÍ Tim£©
 
• WHERE LastName LIKE 'm[^c]%' ¿ÉÒÔÕÒµ½ÒÔ m ¿ªÊ¼µÄ¡¢ºóÃæµÄ£¨µÚ¶þ¸ö£©×Öĸ²»Îª c µÄËùÓÐÐÕ¡£


Ïà¹ØÎĵµ£º

sqlÓï¾ä ½ØÈ¡Ê±¼ä Ö»ÏÔʾ Ä꣬Ô£¬Èյĸñʽ


Õª×Ôhttp://blog.sina.com.cn/zhm85
SQLÓï¾ä½ØÈ¡Ê±¼ä£¬Ö»ÏÔʾÄêÔÂÈÕ£¨2004-09-12£©
select CONVERT(varchar, getdate(), 120 )
‘getdate£¨£©’¸ÄΪʱ¼ä×Ö¶ÎÃû‘createtime’
ÔÙÖØÃüÃûмÓÁУ¨Select Name AS UName from Users£©
ÀýÈç select convert(varchar(11),createtime,120) as Ndate fro ......

µÚ10Õ£ºSQLºÍTQuery¶ÔÏó

±¾ÕÂÊǹØÓÚ²éѯ¡£ÕâÊÇÒ»¸öÖ÷Ì⣬ÔÚºËÐĵĿͻ§/·þÎñÆ÷±à³Ì£¬Òò´ËÕâÊDZ¾Êé¸üÖØÒªµÄƪÕÂÖ®Ò»¡£
¸Ã²ÄÁϽ«±»·Ö³ÉÒÔÏÂÖ÷Òª²¿·Ö£º
ʹÓÃTQuery¶ÔÏó
ʹÓñ¾µØºÍÔ¶³Ì·þÎñÆ÷µÄSQLÀ´Ñ¡Ôñ£¬¸üУ¬É¾³ýºÍ²åÈë¼Ç¼
ʹÓÃSQLÓï¾äÀ´´´½¨Á¬½Ó£¬ÁªÏµÓαêºÍ³ÌÐò£¬ËÑË÷µ¥¸ö¼Ç¼
Õâ¸öËõд´ú±íµÄSQL½á¹¹»¯²éѯÓïÑÔ£¬Í¨³£ÊÇÃ÷ÏÔµÄÐø¼¯»ò˵à ......

SQL 2005ת»»³É2000 (SQL Server)


Ö±½Órestore»ò¸½¼ÓÓ¦¸ÃÊDz»ÐеÄ, Óýű¾+µ¼Êý¾Ý¿Ï¶¨Ã»ÓÐÎÊÌâ¡£
2005תµ½2000µÄ²½Öè
1. Éú³Éfor 2000°æ±¾µÄÊý¾Ý¿â½Å±¾
2005 µÄmanger studio
-- ´ò¿ª"¶ÔÏó×ÊÔ´¹ÜÀíÆ÷"(ûÓеϰ°´F8), Á¬½Óµ½ÄãµÄʵÀý
-- ÓÒ¼üҪתµ½2000µÄ¿â
-- ÈÎÎñ
-- Éú³É½Å±¾
-- ÔÚ"½Å±¾Ïòµ¼"µÄ"Ñ¡ÔñÊý¾Ý¿â"ÖÐ, ......

sqlÖг£Óö¯Ì¬µÄÐÐתÁÐ

//È¡³öÔ´Êý¾Ý
select groupname,totalnum,inputdate,groupid into #temp from
 (select count(*)as totalnum,p.groupid,g.groupname,convert(nvarchar(10),inputdate,120) as 'inputdate'
 from person p left join admin_group g on p.groupid = g.groupid and deleteflag = '0'
 where p.inactive=' ......

Óɽ«SQL²éѯ½á¹ûת»¯ÎªpojoµÄÏëµ½µÄ

½ñÌìÔÚÍøÉÏÉÏ¿´¼ûһƪ“½«SQL²éѯ½á¹ûת»¯Îªpojo¶ÔÏóµÄ”²©¿Í£¬²©Ö÷×Ô¶¨Òå×öÁËÒ»¸öÀàÈçÏ£º
import java.lang.reflect.Field;  
import java.util.List;  
 
import org.hibernate.HibernateException;  
import org.hibernate.property.ChainedPropertyAccessor;&n ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ