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

sql ×Ö·û´®´¦ÀíÎÊÌâ À´ÕßÓзÖ


@s='S1,S2,S12,S23';

½«@sÀïÃæµÄS1,S2Ìæ»»³É´¦Àí£¬Î´´¦Àí


À´ÕßÓзÖ.

REPLACE(@s,'S1,S2','´¦Àí,δ´¦Àí')

REPLACE ²»ºÃÓà ×Ô¼ºÊÔÏÂ

SQL code:

declare @s varchar(200)
set @s='S1,S2,S12,S23'
select replace(@s,'S1,S2','´¦Àí,δ´¦Àí')


´ó¼ÒÕâÑùÊÔÏÂ
@s='S1,S12,S2,S23';

½«@sÀïÃæµÄS1,S2Ìæ»»³É´¦Àí£¬Î´´¦Àí

SQL code:
declare @s varchar(200)
set @s='S1,S12,S2,S23'
set @s = ',' + @s +','
set @s = replace(@s, ',S1,',',´¦Àí,')
set @s = replace(@s, ',S2,',',δ´¦Àí,')
select substring(@s, 2, len(@s) - 2)
/*
´¦Àí,S12,δ´¦Àí,S23
*/


SQL code:
DECLARE @s varchar(MAX);
SET @s = 'S1,S12,S2,S23,S1';

SELECT @s = REPLACE(REPLACE(','+@s+',',',S1,',',´¦Àí,'),',S2,',',δ´¦Àí,')

SELECT STUFF(LEFT(@s,LEN(@s)-1),1,1,'')


SQL code:
declare @s varchar(200)
set @s='S1,S12,S2,S23'
set @s = ',' + @s +','
set @s = replace(replace(@s, ',S1,',',´¦Àí,'),',S2,',',δ´¦Àí,')
select su


Ïà¹ØÎÊ´ð£º

Çë½ÌsqlÓï¾ä¡£ - Oracle / ¿ª·¢

ÎÒÓÐÒ»¸ö±í£¬½á¹¹ÊÇÕâÑù¡£
  ת³ö µ¥Î» תÈ뵥λ ±ÊÊý ½ð¶î
date(Ö÷) outid(Ö÷) inid(Ö÷) num amt
2009 1 2 1 500 Ϊ 1 µ¥Î» ÔÚ2009Ä ......

sqlССµÄÒÉÎÊ - .NET¼¼Êõ / C#

¿ÉÄÜÒòΪ¹¤×÷µÄÔ­Òò ½Ó´¥Êý¾Ý¿âÕâ¿é±È½ÏÉÙ£¬Ö®Ç°¶¼ÊÇ×ö³ÌÐòÕâ¿é£¬Êý¾Ý¿âÕâ¿é¶¼ÓÐרÃŵÄÈËÀ´×ö ·Ö¹¤¶¼ºÜÃ÷ϸ ËùÒÔ¶ÔÊý¾Ý¿âÕâÒ»¿éÍêÈ«²»Á˽⡣ǰ¶Îʱ¼ä È¥ÃæÊÔÁ˼¸¼Ò¹«Ë¾ ¼¸ºõ¶¼ÊÇÔÚÊý¾Ý¿âÕâ¿é¹ÒµôµÄ Á¬¸ö¼òµ¥µÄSQ ......

sql ÎÊÌâ - MS-SQL Server / »ù´¡Àà

ÐèÇóÈçÏ£º
ѧԺ academy£¨aid,aname£©
°à¼¶ class£¨cid,cname,aid£©
ѧÉú stu(sid,sname,aid,cid)
סËÞÇø region(rid,rname)
ËÞÉáÂ¥ build(bid,rid,bnote) bnoteÊÇ¡®ÄС¯/¡®Å®¡¯
ËÞÉá dorm(did,rid,bid£¬bedn ......

Çóһʱ¼ä±È½ÏµÄSQL Ö¸Áî - MS-SQL Server / »ù´¡Àà

±íÊý¾Ý
COL1 COL2 COL2 COL4 COL5
----------------------------------------------------------------------------------------------
2010-05-05 00:00 ......

sqlÓï¾äÎÊÌâ - Java / Web ¿ª·¢

select o_customer,o_price from orders having o_price >=avg(o_price)
select o_customer,o_price from orders where o_price >=(select avg(o_price) from orders)
ÎҸоõûÓÐÇø±ð°¡£¬ÔõôÔÚmysql»áÓÐ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ