SQL·ÖÒ³
SQL·ÖÒ³
ÍòÄÜ·ÖÒ³
.net´úÂë
select top ÿҳÏÔʾµÄ¼Ç¼Êý * from topic where id not in
(select top £¨µ±Ç°µÄÒ³Êý-1£©×ÿҳÏÔʾµÄ¼Ç¼Êý id from topic order by id desc)
order by id desc
select top ÿҳÏÔʾµÄ¼Ç¼Êý * from topic where id not in
(select top £¨µ±Ç°µÄÒ³Êý-1£©×ÿҳÏÔʾµÄ¼Ç¼Êý id from topic order by id desc)
order by id desc
sql2005·ÖÒ³
.net´úÂë
with temptbl as (
SELECT ROW_NUMBER() OVER (ORDER BY id desc)AS Row,
...
)
SELECT * from temptbl where Row between @startIndex and @endIndex
.net´úÂë
select top ÿҳÏÔʾµÄ¼Ç¼Êý * from topic where id not in
(select top £¨µ±Ç°µÄÒ³Êý-1£©×ÿҳÏÔʾµÄ¼Ç¼Êý id from topic order by id desc)
order by id desc
select top ÿҳÏÔʾµÄ¼Ç¼Êý * from topic where id not in
(select top £¨µ±Ç°µÄÒ³Êý-1£©×ÿҳÏÔʾµÄ¼Ç¼Êý id from topic order by id desc)
order by id desc
sql2005·ÖÒ³
.net´úÂë
with temptbl as (
SELECT ROW_NUMBER() OVER (ORDER BY id desc)AS Row,
...
)
SELECT * from temptbl where Row between @startIndex and @endIndex
Ïà¹ØÎĵµ£º
ORMϵͳ±ØÐë°ÑÊý¾Ý¿âÖеÄÊý¾Ýת»»ÎªÒµÎñÊý¾Ý£¬×ª»»µÄ·½·¨´óÖÂÓÐ3ÖÖ£¬±¾ÎľÍÊÔͼ¶ÔËüÃÇ×öһЩ¼òµ¥·ÖÎö¡£
1¡¢ÊôÐÔ·´Éä¡£¾ÍÊÇͨ¹ý·´É䣬»ñȡҵÎñʵÌåÀàµÄ¸÷¸öÊôÐÔ£¬È»ºóÔÙÉèÖÃÕâЩÊôÐÔµÄÖµ¡£Õâ¸ö·½·¨×î¼òµ¥¡¢×îÎȶ¨¡¢Í¨ÓÃÐÔ×îÇ¿¡¢¿Éά»¤ÐÔ×îÇ¿¡¢ÐÔÄÜ×î²î¡£ÀýÈçNHibernate¾ÍÊÇÓÃÕâÖÖ·½·¨ÊµÏֵģ¬Ëüͨ¹ýIGetterºÍISetter½Ó¿ÚÊµÏ ......
²¿ÃŽṹ
Id name parentId
-----------------
1 ÈËʲ¿ 0
2
¿ª·¢²¿ 1
3 ·þÎñ²¿ 1
Óû§½á¹¹
Id name departId
--------------------
101
ÕÅÈý 2
102 ÀîËÄ 2
103 ÍõÎå 3
ÏëµÃµ½
ID name
parentId
-------------------
1 ÈËʲ¿ 0
2 ¿ª·¢²¿ 1
101
ÕÅ ......
Àí½âSQL SERVERÖÐËùÓÐÕߺͼܹ¹µÄÇø±ð
SQL SERVER2005½éÉÜÁ˼ܹ¹£¬¼Ü¹¹Ïà¶ÔÓÚÒÔǰ°æ±¾ÖеĶÔÏóËùÓÐÕß¡£±¾ÎĽ«½âÊÍÕâÁ½ÕßµÄÇø±ð£¬²¢Ï£ÍûÄܽ⿪ÄãÖÁ½ñÈԶԼܹ¹Ò»µãÀ§»ó¡£
¶ÔÏóËùÓÐÕß
ÒªÀí½âËùÓÐÕߺͼܹ¹Ö®¼äµÄÇø±ð£¬ÈÃÎÒÃÇÏÈ»¨µãʱ¼äÀ´¸´Ï°Ò»Ï¶ÔÏóµÄËùÓÐȨ¡£ÔÚSQL SERVER2000»òÒÔǰ°æ±¾Öд´½¨Ò»¸ö¶ÔÏ󣬶ÔÏó±ØÐëÒªÓÐÒ»¸öËù ......
£Ó£Ñ£Ì×¢ÈëÊÇ´ÓÕý³£µÄWWW¶Ë¿Ú·ÃÎÊ£¬¶øÇÒ±íÃæ¿´ÆðÀ´¸úÒ»°ãµÄWebÒ³Ãæ·ÃÎÊÃ»Ê²Ã´Çø±ð£¬ ËùÒÔĿǰÊÐÃæµÄ·À»ðǽ¶¼²»»á¶Ô£Ó£Ñ£Ì×¢Èë·¢³ö¾¯±¨£¬Èç¹û¹ÜÀíԱû²é¿´IISÈÕÖ¾µÄϰ¹ß£¬¿ÉÄܱ»ÈëÇֺܳ¤Ê±¼ä¶¼²»»á·¢¾õ¡£
Ëæ×ÅB/SģʽӦÓÿª·¢µÄ·¢Õ¹£¬Ê¹ÓÃÕâÖÖģʽ±àдӦÓóÌÐòµÄ³ÌÐòÔ±Ò²Ô½À´Ô½¶à¡£µ«ÊÇÓÉÓÚÕâ¸öÐÐÒµµÄÈëÃÅÃż÷²»¸ß£¬³ÌÐòÔ±µ ......
¹úÍâ¿Õ¼äÃ²ËÆ¶ÔÖÐÎıȽϸÐð Èç¹ûÊý¾ÝÀàÐÍÉè¼ÆÎª varchar ÀàÐ͵ϰ ´æ´¢µÄÊý¾Ý»ù±¾ÉÏÊÇ "£¿£¿£¿£¿"
ºÜ¼òµ¥ ½« varchar ÀàÐÍ Éè¼ÆÎª nvarchar ÀàÐÍ
create table cs
(
txt1 nvarchar(50) null
)
insert into cs (txt1 ) values ('²âÊÔ') -- Èë¿âʱÊý¾Ýʱ £¿£¿£¿£¿
insert into cs (txt ......