ÈçºÎ½â¾öhibernate¶ÔÓÚsqlserver·ÖÒ³²éѯµÄЧÂÊÎÊÌâ
´ó¼ÒºÃ£¬hibernate¶ÔÓÚsqlserverµÄ·ÖÒ³²éÑ¯ËÆºõÓÐЧÂÊÉϵÄÎÊÌ⣺
Query query=session.createQuery("from User as aa ");
query.setFirstResult(0);
query.setMaxResults(15);
µ±²éѯµÚÒ»Ò³µÄʱºò£¬·¢³ösqlÓï¾ä£ºselect top 15 ...
µ±²éѯµÚ¶þÒ³µÄʱºò£¬·¢³ösqlÓï¾ä£ºselect top 30 ...
µ±²éѯµÚÈýÒ³µÄʱºò£¬·¢³ösqlÓï¾ä£ºselect top 45 ...
......£¨·Ò³Ô½¶à£¬Ã¿´Î²éѯµÄ¼Ç¼ÊýÒ²Ô½¶à£¬¶øÃ¿´Î²éѯµÄÊýĿӦ¸ÃÊÇÒ»¶¨µÄ£¬¾ÍÊÇÿҳ¼Ç¼Êý15.£©
ÔÚmysqlÖУ¬¿ÉÄܻᷢ³öº¬ÓÐlimitµÄsqlÀ´ÕæÕýÒâÒåÉϵØÏÞ¶¨·ÖÒ³²éѯµÄÆðʼµã£¬µ«ÔÚsqlserverÖУ¬ÉÏÊö½á¹ûÃ÷ÏÔÊDz»ºÏÀíµÄ£¬ÎÒÊÔ×ÅÓÃhql×Ô¼ºÐ´£¬µ«ÊÇËÆºõËü²»Ö§³Öselect topµÄ·½Ê½£¬Èç²éѯµÚÈýÒ³£º
select top 15 * from user as aa where id not in (select top 30 id from user as bb) -- ÕâÑù»á±¨´í£¬Ëµ15ûÓÐÓ³Éä
Õâ¸öÎÊÌâÈçºÎ½â¾ö£¿Ð»Ð»£¬Ð»Ð»~~
·ÖÒ³¿ÉÒÔдÔÚ´æ´¢¹ý³ÌÀïѽ
ÄãÓõÄÊÇSql2000µÄÊý¾Ý¿â
ÕâôЩûÎÊÌâ
Õâ¸öЧÂÊÉÏÎÊÌâºÃÏñ²¢Ã»ÓÐÄã˵µÄÄÇôÑÏÖØ..20000Ò³·ÖÒ³ÎÒÒ²ÓõÄÕâ¸ö..²¢²»»á³öÏÖÔ½·Ô½ÂýµÄÇé¿ö..Çë·ÅÐÄʹÓÃ.Èç¹ûÄãÊÇÔÚÏë×Ô¼ºÐ´µÄ»°Äã¿ÉÒÔÓÃSQL·ÖÒ³°¡..×î¶àʹÓøöhibernateµÄSQL½Ó¿ÚÂï..
д³Éjdbc ·½Ê½
ÔÚÓ¦ÓÃÖÐ hql ºÍ jdbc »ìºÏʹÓÃ
ûÓÐÎÊÌâ°¡£¬ÄãÊDz»ÊÇÓÃSessionµÄcreateSQLQuery()·½·¨°¡£¬Õâ¸ö²ÅÊÇÖ§³Ö×Ô¶¨ÒåÓï¾äµÄŶ
ÎÒÓõİüÊDZȽÏÉϲãµÄ£¬·â×°Á˺ܶà²ã£¬ÏÖÔÚÎҾ͵÷ÓõײãµÄÔʼhibernate´¦ÀísqlÁË£¬¶àл¸÷λ~~
Ôõô»áÕâÑùÄØ£¡¡£
·Ò³Ô½¶à£¬Ã¿´Î²éѯµÄ¼Ç¼ÊýÒ²Ô½¶à£¬
Õâ¾ä»°ÓÐÎÊÌâ°É¡£¡££¡
¹þ
{{---
Ïà¹ØÎÊ´ð£º
Çë½Ì¸÷λ£º
ÔÚ³¬ÊеÄÊÕÒøÏµÍ³ÖУ¬Èç¹ûÓÐ20¶à¸ö¿Í»§¶Ë£¬ÓпÉÄÜͬʱ¶Ôij×Ö¶ÎÊý¾Ý½øÐÐÐ޸쬻ò½øÐÐɾ³ý£¬¾ÍÓпÉÄܾͻáÔì³ÉijЩ¿Í»§¶Ë³öÏÖ´íÎó£¬Ó¦¸ÃÈçºÎÈ¥±ÜÃâÄØ£¿ÄÜ·ñÌṩ¾ßÌåÊÂÀý£¬Ð»Ð»
Ôõô»áͬʱÐÞ¸ÄÄØ£¿
......
Ҫת³ÉÒ»ÑùµÄЧ¹û£¬ÓÃpowerdesignerÔõôת£¿ÄÜתÂð£¿
create table publishers (
publisherID int identity,
publisherName varchar (30) NOT NULL,
constraint pk_publishers primary key (publisherID)
)& ......
ÓÐÈËÊÔ¹ýÔÚwin7Éϰ²×°sqlserverÂð£¿
Ìý˵sql2000×°²»ÉÏÈ¥£¬²»ÖªµÀÆäËû°æ±¾Ðв»ÐС£
ºÃÏñ²»ÐÐ,²»¼æÈÝ,ÉÏ´ÎÒ²ÓÐÈËÎʹýѽ
ºÇºÇ£¬ÓÐÍøÓÑÓÐÏà¹ØµÄ¾ÑéÂð£¿
Õâ¸ösqlserverÒª¾¡Á¿×°ÔÚwin7ÉÏ¡£
SQLSERVER 2000Ã ......
sqlserver2005 ½¨Á¢µÄÊý¾Ý¿â£¬ÓëÊÖ³Öpda´«ÊäÊý¾Ý£¬×î½üͻȻ³öÏÖÎÞ·¨´«µÝÊý¾ÝµÄÎÊÌ⣬pda¶ËÌáʾµÄ´íÎóʱoutofmemoryexception£¬µ«ÊÇpdaÉÏÃæµÄÈÝÁ¿Ã»ÓÐÎÊÌ⣬
sqlserverµÄÈÕ×ÓÉϵĴíÎóÈçÏ£º
ÈÕÆÚ 2010-1-25 14:45: ......
ÓÐһ̨Êý¾Ý¿â·þÎñÆ÷£¬¿Í»§¶ËʹÓÃADO.NETÁ¬½Ósql£¬Ê¹ÓÃExecuteScalarÖ´ÐÐSQL INSERTÓï¾ä£¬È»ºó¿Í»§¶Ëˢв»Äܲéѯµ½ÐÂINSERTµÄÊý¾Ý£¬¹ý10Ãë×óÓÒ²ÅÄܲ鵽ÐÂÊý¾Ý
ʲôÔÒò
Äã×öÁË»º´æÂð£¿
û×ö»º´æ
Ôõô»áÄØ£¡ ......