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

sql ²éѯ³öÀ´Ò»¸ö±íÔÚ²åÈëµ½ÁíÒ»¸ö±íÀï

ALTER  FUNCTION  [dbo].[fun_tongji]()
RETURNS  @t1 table (
  yue int ,
  money int
 )
AS
begin
 Declare @i int
 set @i=1
-- declare @t1 table (
--  yue int ,
--  money int
-- )
 while (@i<=12)     
 begin        
  INSERT into @t1 (yue,money) select isnull(sum(money),0) as money,@i as yue from zhangbenjilu where datepart(month,usedatetime)=@i
  set @i=@i+1
 end
 return ;
end


Ïà¹ØÎĵµ£º

MS SQL ServerºÍMySQLÇø±ð

1 MySQLÖ§³Öenum,ºÍsetÀàÐÍ£¬SQL Server²»Ö§³Ö
¡¡¡¡2 MySQL²»Ö§³Önchar,nvarchar,ntextÀàÐÍ
¡¡¡¡3 MySQLµÄµÝÔöÓï¾äÊÇAUTO_INCREMENT£¬¶øMS SQLÊÇidentity(1,1)
¡¡¡¡4 MS SQLĬÈϵ½´¦±í´´½¨Óï¾äµÄĬÈÏÖµ±íʾÊÇ((0)),¶øÔÚMySQLÀïÃæÊDz»ÔÊÐí´øÁ½À¨ºÅµÄ
¡¡¡¡5 MySQLÐèҪΪ±íÖ¸¶¨´æ´¢ÀàÐÍ
¡¡¡¡6 MS SQLʶ±ð·ûÊÇ[],[type]±íÊ ......

SQLÖ®¾Å Êý¾Ý¿âÉè¼Æ

Íâ¼ü
======================
Íâ¼üÊÇÏà¶ÔÓÚÖ÷¼ü˵µÄ£¬Êǽ¨Á¢±íÖ®¼ä µÄÁªÏµµÄ±ØÐëµÄǰÌá¡£
   ±ÈÈ磺ѧÉú±í ¡¢Ñ§Éú³É¼¨±íÒ»Ò»¶ÔÓ¦ÊÇÒòΪ ËûÃǶ¼¾ßÓÐÏàͬµÄ×ֶΣºÑ§ºÅ£¬°ÑѧÉú±í×÷ΪÖ÷±í£¬Ñ§ºÅÊÇËûµÄÖ÷¼ü£¬Ïà¶ÔÓÚÖ÷±íÀ´Ëµ£¬Ñ§Éú³É¼¨µÄ×ֶΠѧºÅ¾ÍÊÇѧÉú±íµÄÍâ¼ü¡£
  ûÓÐÍâ¼ü£¬Á½¸ö±í¾Íû°ì·¨½¨Á¢ÁªÏµ°¡£¡ ......

SQL SERVER ÈçºÎ¶ÁÈ¡Ò³ÃæÉϵÄÊý¾Ý

CSDNÉÏÓÐÆªÌû×Óhttp://topic.csdn.net/u/20100223/15/644e6212-9fdc-42de-81ad-785d28ed71d3.html
ÌÖÂÛ²éѯ¼Æ»®¶ÁÈ¡Ë÷ÒýÒ³µÄÎÊÌâ¡£
Ö÷ÒªÎÊÌâÊÇ£º ÔÚÒ»ÕŽ¨Óоۼ¯Ë÷Òý£¨Ã»ÓÐÆäËü·Ç¾Û¼¯Ë÷Òý£©µÄ±íÖ´ÐÐselect count(*) ¡£²éѯÏÔʾɨÃèÁËËùÓеÄË÷ÒýÖмä²ãÒ¶¡£´ÓÀíÂÛÉϽ²£¬ÓÉÓÚÿ¸öÊý¾ÝÒ³¶¼¼Ç¼×ÅËüµÄÉÏÒ»¸öpageºÍÏÂÒ»¸öpage, ......

ASP.NET ÖÐÈçºÎ·À·¶SQL×¢Èëʽ¹¥»÷

Ò»¡¢Ê²Ã´ÊÇSQL×¢Èëʽ¹¥»÷?
¡¡¡¡ËùνSQL×¢Èëʽ¹¥»÷£¬¾ÍÊǹ¥»÷Õß°ÑSQLÃüÁî²åÈëµ½Web±íµ¥µÄÊäÈëÓò»òÒ³ÃæÇëÇóµÄ²éѯ×Ö·û´®£¬ÆÛÆ­·þÎñÆ÷Ö´ÐжñÒâµÄSQLÃüÁî¡£ÔÚijЩ±í
µ¥ÖУ¬Óû§ÊäÈëµÄÄÚÈÝÖ±½ÓÓÃÀ´¹¹Ôì(»òÕßÓ°Ïì)¶¯Ì¬SQLÃüÁ»ò×÷Ϊ´æ´¢¹ý³ÌµÄÊäÈë²ÎÊý£¬ÕâÀà±íµ¥ÌرðÈÝÒ×Êܵ½SQL×¢Èëʽ¹¥»÷¡£³£¼ûµÄSQL×¢Èëʽ¹¥
»÷¹ý³ÌÀàÈ磺 ......

sql ÃüÃûÎÊÌâ

ÕýÈ·µÄ£ºselect isnull(money,0) from (select  sum(money) as money,3 as b from zhangbenjilu where datepart(month,usedatetime)=3) as a
´íÎóµÄ£ºselect isnull(money,0) from (select  sum(money) as money,3  from zhangbenjilu where datepart(month,usedatetime)=3) ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ