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

ÇóÒ»ÌõSQLÓï¾ä - MS-SQL Server / »ù´¡Àà

±íÃû: teacher ×ֶηֱðÓÐ ÐòºÅ£¬ÐÕÃû£¬ÄêÁ䣬ÐÔ±ð£¬ÄêÊÕÈë¡­¡­¡­¡­
ÏÖÏëÇóÒ»ÌõSQLÓï¾äÊÇ ³ýÁË"ÐòºÅ"Õâ¸ö×ֶβ»ÏÔʾ,ÆäËû×ֶξùÏÔʾµÄÓï¾ä£¬ ²¢·Ç select ÐÕÃû£¬ÄêÁ䣬ÐÔ±ð£¬ÄêÊÕÈë¡­¡­¡­¡­
from teacher ÕâÌõÓï¾ä(ÒòΪ×ֶμÙÉèÓÐ30¶à¸ö»áдËÀÈ˵Ä)лл£¡
Óö¯Ì¬SQL

SQL code:
DECLARE @s VARCHAR(8000)
SELECT @s = ISNULL(@s+',', '')+name
from syscolumns
WHERE id = OBJECT_ID('teacher')
AND name<>'ÐòºÅ'
EXEC ('SELECT '+@s+' from teacher')


²Î¿¼:
SQL code:
µÃµ½±íÖгýCol1¡¢Col2µÄËùÓÐÁÐ

ÀýÈ磺userno_fm¡¢userno_to
create table test(
num int identity(1,1),
userno_fm varchar(10),
userno_to varchar(10),
username varchar(10))
select * from test

declare @sql varchar(8000)
select @sql=''
select @sql=@sql+','+[name] from
(select [name] from syscolumns where object_id(N'[test]')=[id] and [name] not in ('userno_fm','userno_to')) A

set @sql='select '+stuff(@sql,1,1,'')+' from [test]'
--print @sql
exec (@sql)

drop table test



SQL code:
declare @sql varchar(8000)
select @sql=''
select @sql=@sql+','+[name] from
(selec


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 ......

ÇóÒ»¸öSQLÓï¾ä - MS-SQL Server / »ù´¡Àà

×Ö¶Î1,×Ö¶Î2.....×Ö¶ÎN,Status,ParentID
1,Name1....test1,1,99
1,Name1....test1,3,99
1,Name2....test2,1,101
1,Name2....test2,3,101
1,Name3....test3,2,101
1,Name1....test1,4,101
ÏëÒªµÄ½á¹ûÊÇ:
1,Na ......

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 ......

sqlÓï¾äÎÊÌâ - MS-SQL Server / ÒÉÄÑÎÊÌâ

ÏÖÔÚÓÐÒ»¸ö²¿Ãűídept£¨²¿ÃÅÃû³Æ£¬²¿Ãźš£¡££©ÓÐÒ»¸öÈËÔ±±íemp£¨ÐÕÃû£¬ÈËÔ±±àºÅ£¬Ö°Î»£¬Ð½×Ê£¬²¿ÃÅ£©
emp±íÖеÄÄÚÈÝÊÇÕâÑùµÄ£º
a 1 ¹¤³Ìʦ 3000 Èí¼þ²¿
b 2 ÆÕͨԱ¹¤ 2000 Ó²¼þ²¿
c 3 ¹¤³Ìʦ 4000 Ó²¼þ²¿
d ......

C# SQL µÄUPDATETEXT ÎÊÌâ - .NET¼¼Êõ / C#

A±í ÓÐÁ½¸ö×ֶΠ
  id ΨһÊý×ÖÓò
  InfoTxt text ÀàÐÍ
 ÎÒÏÖÔÚÒª°Ñ id ²»ÊÇ14 µÄËùÓÐ InfoTxt×Ö¶Î Îı¾ºóÃæ ¶¼¼ÓÉÏ 'aaa' 
°´ÏÂÃæÖ´ÐÐÏÂÀ´ Ö»Óбí×îºóÒ»ÐмÓÉÏÁË 'aaa' ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ