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 ......

sqlÖлñÈ¡×Ö·û´®ÖеÄ×Öĸ,Êý×Ö,·ÇÊý×Öº¯Êý

sql»ñÈ¡×Öĸ:
CREATE FUNCTION dbo.F_Get_STR (@S VARCHAR(100))
RETURNS VARCHAR(100)
AS
BEGIN
    WHILE PATINDEX('%[^a-z]%',@S)>0
          BEGIN
              &n ......

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) ......

4.5 ÅäÖÃSQL Server 2005·þÎñÆ÷

·þÎñÓë·þÎñÆ÷ÊÇÁ½¸ö²»Í¬µÄ¸ÅÄ·þÎñÆ÷ÊÇÌṩ·þÎñµÄ¼ÆËã»ú£¬ÅäÖ÷þ
ÎñÆ÷Ö÷ÒªÊǶÔÄÚ´æ¡¢´¦ÀíÆ÷¡¢°²È«ÐԵȼ¸¸ö·½ÃæÅäÖá£ÓÉÓÚSQL Server 2005·þÎñÆ÷µÄÉèÖòÎÊý±È½Ï¶à£¬ÕâÀïѡһЩ±È½Ï³£ÓõĽéÉÜ¡£
ÅäÖÃSQL Server 2005·þÎñÆ÷µÄ°ì·¨£ºÆô¶¯¡¾SQL
Server Management
Studio¡¿£¬ÔÚ¡¾¶ÔÏó×ÊÔ´¹ÜÀíÆ÷¡¿´°¿ÚÀÓÒ»÷ÒªÅäÖõķþÎ ......

SQL ServerË÷Òý¹ÜÀíÖ®Áù´óÌúÂÉ


Ô­ÎÄת×Ô:http://tech.it168.com/a2009/0218/265/000000265868.shtml
Ë÷ÒýÊÇÒÔ±íÁÐΪ»ù´¡µÄÊý¾Ý¿â¶ÔÏó¡£Ë÷ÒýÖб£´æ×űíÖÐÅÅÐòµÄË÷ÒýÁУ¬²¢ÇҼͼÁËË÷ÒýÁÐÔÚÊý¾Ý¿â±íÖеÄÎïÀí´æ´¢Î»Öã¬ÊµÏÖÁ˱íÖÐÊý¾ÝµÄÂß¼­ÅÅÐò¡£Í¨¹ýË÷Òý£¬¿ÉÒÔ¼Ó¿ìÊý¾ÝµÄ²éѯËٶȺͼõÉÙϵͳµÄÏìӦʱ¼ä;¿ÉÒÔʹ±íºÍ±íÖ®¼äµÄÁ¬½ÓËٶȼӿ졣
  µ«ÊÇ£¬ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ