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

SQLÓï¾äÎÊÌ⣬¸ßÊÖ°ïæ£¡£¡

½«Ò»¸ö±í21~30ɾ³ý£¬sqlÓï¾äÔõôд
Õâ¸öÌ«ÁýͳÁË£¬ÊÇÅÅÐòºóµÄµÚ21Ìõµ½30Ìõ¼Ç¼ɾ³ý»¹ÊÇijһÁÐÖµÔÚ21µ½30Ö®¼äµÄɾ³ý°¡£¿

21-30ÊÇʲôÒâ˼£¿×ֶεϰ¾Ídelete from table1 where col1>=21 and col1<=30
Ö¸µÄÊǵڼ¸Ìõ¼Ç¼µÄ»°
delete from table1 where rowid in 
  (select rd from (
  select rowid rd,rownum rn from table1)
  where rn>=21 and rn<=30)

ѧϰ¡£¡£¡£



delete from table1 where rn in 
  (
  select rn 
  from 
  ( 
  select row_number() over(partition by ??(ÄãÒªÅÅÐòµÄ×Ö¶Î) rn order by rowid 
  from table1
  ) 
  where rn>=21 and rn <=30
  )

up


Ïà¹ØÎÊ´ð£º

ÇóSQL£¿

´ó¼ÒºÃ£¬ÇëÎÊÔÚ±íMÖÐÓÐ×ֶΣºa b c d e 
ÎÒÏë²é³öÆäÖÐÂú×ãÏÂÃæÈÎÒâÒ»ÏîµÄÊý¾Ý£¬1.×Ö¶Îa µÄÖµ²»ÊÇ ¡®Êé»ò±Ê»ò±¾¡¯ÖÐÈÎÒ»£¬2.aΪÊéµÄʱºò×Ö¶Îb,cÊÇ¿Õ;3.µ±aֵΪ±ÊµÄʱºòdÊÇ¿Õ;4.µ±aΪ±¾µÄʱºòb,d,e¶¼ÊÇ¿Õ;5.È ......

Á½¸öµ¼¹¹sql serverÊý¾Ý¿â,Êý¾Ýµ¼Èëµ¼³öÎÊÌâ

ÏÖÔÚÓÐÁ½¸öÒì¹¹µÄsql serverÊý¾Ý¿â,ÎÒÏ뽫µÚÒ»¸ö±íÖеÄÊý¾Ýµ¼Èëµ½µÚ¶þ¸ö±íÖÐ,×Ô¼ºÖ¸¶¨µ¼ÈëÊý¾ÝµÄ×Ö¶Î,ÈçºÎµ¼ÈëÊý¾ÝÄØ,´ó¼ÒÌÖÂÛÒ»ÏÂ?
dts¹¤¾ß

µ¼Èëµ¼³ö¹¤¾ß.

DD

¹þ¹þ£¬¹À¼ÆÕâλÊǵØQIOU¶¼Êܲ»Á˵Ä

Ö±½ÓÐ ......

sql server ´æ´¢¹ý³ÌÑ­»·¸³ÖµµÄÎÊÌâ

СµÜÊǸöÐÂÊÖ ÏÖÔÚÓиöÎÊÌâÒ»Ö±²»Äܽâ¾ö
ÀýÈç
procedure produce_proc
    @p001 nvarchar(8000),
    @p002 nvarchar(8000),
    @p003 nvarchar(8000),
  & ......

sql²éѯÎÊÌâ

http://wenda.tianya.cn/wenda/thread?tid=008e40988f9b74c0
ÎÒµÄÎÊÌâдÔÚÕâÀïÁ˰ÝÍдó¼Ò¿´¿´£¬ÉÏÎçcsndÉý¼¶²»ÄÜÓþÍÔÚÌìÑÄÉÏдÁË¡£
ÕâÀïÃæÐ´ÁË·¢±í²»ÁË×Ü˵ÓзǷ¨´Ê»ò´Ê×éºÜÓôÃÆ£¬Ð»Ð»´ó¼Ò 
FULL JOI ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ