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

sql ³£ÓõĴúÂë

£¨1£©
Mcirosoft JET SQL ÖУ¬ÈÕÆÚÓÑ#’¶¨½ç¡£ÈÕÆÚÒ²¿ÉÒÔÓÃDatevalue()º¯ÊýÀ´´úÌæ¡£ÔڱȽÏ×Ö·ûÐ͵ÄÊý¾Ýʱ£¬Òª¼ÓÉϵ¥ÒýºÅ’’£¬Î²¿Õ¸ñÔڱȽÏÖб»ºöÂÔ¡£
Àý£º
WHERE OrderDate>#96-1-1#
Ò²¿ÉÒÔ±íʾΪ£º
WHERE OrderDate>Datevalue(‘1/1/96’)
ʹÓà NOT ±í´ïʽÇó·´¡£
Àý£ ......

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 ......

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 serverºÍoracleµÄÇø±ð

1£®OracleΪ¿Í»§¶Ë¿ªÆô»á»°ÓÐÁ½ÖÖ·½Ê½£º¹²Ïí·þÎñºÍרÓ÷þÎñ¡£ÔÚרÓ÷þÎñÇé¿öÏ£¬¼àÌýÆ÷ΪÁ¬½ÓÇëÇó´´½¨Ð½ø³Ì£¨Unix»·¾³ÏÂÊÇProcess£¬WindowsÏÂÎÒÏëÓ¦¸ÃÊÇThread°É£©£»¹²Ïí·þÎñÇé¿öÏ£¬¼àÌýÆ÷½«¿Í»§ÇëÇ󽻸øDispatcher£¬ÓÉDispatcher°²ÅŶà¿Í»§µÄ×÷Òµ¡£SQL ServerÔÚĬÈÏÇé¿öÏÂ×Ô¶¯Îª¿Í»§¶ËÁ¬½Ó´´½¨Ị̈߳¬µ±Óзdz£¶àµÄ¿Í ......

·À·¶SQL×¢Èëʽ¹¥»÷


SQL×¢Èëʽ¹¥»÷ÊÇÀûÓÃÊÇÖ¸ÀûÓÃÉè¼ÆÉϵÄ©¶´£¬ÔÚÄ¿±ê·þÎñÆ÷ÉÏÔËÐÐSqlÃüÁîÒÔ¼°½øÐÐÆäËû·½Ê½µÄ¹¥»÷¶¯Ì¬Éú³ÉSqlÃüÁîʱûÓжÔÓû§ÊäÈëµÄÊý¾Ý½øÐÐ
ÑéÖ¤ÊÇSql×¢Èë¹¥»÷µÃ³ÑµÄÖ÷ÒªÔ­Òò¡£
±ÈÈ磺
Èç¹ûÄãµÄ²éѯÓï¾äÊÇselect * from admin where
username="&user&" and password="&pwd&"&quo ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ