Ò׽ؽØͼÈí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

ÇóÒ»¸ömssqlµÄsqlÓï¾ä - MS-SQL Server / »ù´¡Àà

ÅжϱíÖÐÊÇ·ñÓдóÓÚ10ÌõÒÔÉϵÄÊý¾Ý£¬
Èç¹û´æÔÚÔò°´×îºÃ¼ÈëµÄʱ¼ä£¬É¾³ýµô¶àÓàµÄÊý¾Ý¡£¡£
±£³ÖÊý¾Ý±íÖÐÖ»ÓÐ10Ìõ×îеÄÊý¾Ý¡£¡£

лл¡£
select ID,count(1) from TB group by ID having count(1)>10


SQL code:
;with t as
(
select rn=row_number()over(order by date desc),*
from tb
)
select * from t where rn>10


SQL code:
if (select count(1) from [Table])>10
delete from [Table] where id not in(select top 10 id from [Table] order by ʱ¼ä desc)


SQL code:
if (select count(1) from tb)>10
delete from tb where id not in (select top 10 id from tb order by dt desc)


delete a from TB a
inner join 
(select * from (select ID,DT,row=row_number() over (patition by id order by dt desc) from TB)T where row>10) b
on a.id=b.id 
and a.DT=b.DT


SQL code:
if exists £¨select count(1) from tb£©>10
begin
delete from tb where date not in (select top 10 date from tb order by date desc)
end


SQL code
{{


Ïà¹ØÎÊ´ð£º

Asp+sql serverÎÊÌâ - Web ¿ª·¢ / ASP

ÎÒÒ»¸öÏîÄ¿£¬Óиö²åÈë²Ù×÷£¬¾ßÌåÊÇÕâÑùµÄ£º
ÎÒÓнø»õÐÅÏ¢±í¡£ÔÚ³ö»õʱѡÔñÏàÓ¦µÄ½ø»õÐÅÏ¢£¬ÊäÈëÊýÁ¿£¬Ñ¡Ôñ²¿Ãź󣬵㱣´æ°´Å¥£¬ÓÉÓÚÍøÂçÑÓʱ£¬µãÒ»ÏÂûÓз´Ó³£¬ÓÚÊÇÓû§¾ÍÓÖµãһϣ¬µ¼ÖÂÒ»´Î²åÈëÁËÁ½Ìõ¼Ç¼:
Àý£º ......

¹ØÓÚACCESSºÍMSSQLµÄÎÊÌâ - Web ¿ª·¢ / ASP

ÓÐÒ»¸öÊý¾Ý¿âÀïÖ»ÓÐ2WÌõÊý¾Ý²»µ½£¬È´ÓÐ500MÄÇô´ó,Ôõô»ØÊ°¡£¿ÊÇACCESSµÄÊý¾Ý¿â¡£ºóÀ´ÎÒ°ÑACCESSµ¼Èëµ½MSSQLÖУ¬Ò²Õ¼ÓÃÁË500M×óÓҵĿռ䣬Èç¹ûѹËõÊý¾Ý¿âÄØ£¿Çë¸ßÊÖÖ¸µã
ѹËõÊý¾Ý¿â£¿ÄÜ×öµ½Ã´...
ÆÚ´ý¸ßÈËÖ¸µã ÎÒ ......

sqlserver´íÎó - MS-SQL Server / ÒÉÄÑÎÊÌâ

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: ......

Çë½ÌSQLSERVERµÄÁ½¸öÎÊÌâ - MS-SQL Server / ÒÉÄÑÎÊÌâ

1¡£ÔõÑùʹxp_cmdshellÄÜÍêÕûÊä³ö³¬¹ý255¸ö×Ö·ûµÄ×Ö·û´®¡£
2¡£select ʱ£¬¼ìË÷ËÙ¶ÈÊÇÓëfromºóµÄ TABLE˳ÐòÓйأ¬»¹ÊÇÓëwhereÌõ¼þµÄ˳ÐòÓйØ(TABLEÊý¾Ý¶àÉÙ )
ÔÚϵͳÊôÐÔÉ趨ÀïÓиöÑ¡Ïî,¿ÉÒÔÐ޸ĵ¥×Ö¶ÎÊä³ö×ÖÊýÏÞÖÆ. ......

phpÁ¬½ÓMSSQL Á¬²»ÉÏ - PHP / »ù´¡±à³Ì

Warning: odbc_connect() [function.odbc-connect]: SQL error: [Microsoft][ODBC Çý¶¯³ÌÐò¹ÜÀíÆ÷] δ·¢ÏÖÊý¾ÝÔ´Ãû³Æ²¢ÇÒδָ¶¨Ä¬ÈÏÇý¶¯³ÌÐò, SQL state IM002 in SQLConnect in D:\0\msc\msc\tel.php on line 44
Í ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØͼ | ¸ÓICP±¸09004571ºÅ