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

sqlserver ´¥·¢Æ÷ÎÊÌâ

ÎÒÏë×öÒ»¸ö´¥·¢Æ÷£¬µ«Ð޸ıíTµÄ×Ö¶ÎC1ʱ£¬ÅжÏÈç¹ûÐ޸ĺóµÄֵΪ-1£¬Ôò¸üбíT¸ÃÐмǼµÄ×Ö¶ÎC2Ϊijֵ¡£

CreateTRIGGER [Tri_UpdateLastSaveDate] ON  [dbo].[T]
  for UPDATE
AS
BEGIN
if update(C1)
begin
if inserted.C1='-1'
begin
update T set C2=convert(varchar,getdate(),21)
where C3=(select C3 from inserted);
end
end 

END

¿ÉÊÇÖ´ÐеÄʱºò×ÜÊDZ¨´í£º
No row was updated.
Error Source:Microsoft.VisualStudio.DataTools.
Error Message: The row value(s) updated or deleted either do not make the row unique or they alter multiple rows(2 rows)

±íTûÓÐÖ÷¼ü£¬ÇÒC3×Ö¶Îʵ¼ÊÊÇΨһֵ

ÎÒ°ÑupdateÕâ¾ä»°È¥µô£¬Ð½¨ÁËÒ»¸ö±íAA£¬°üº¬×Ö¶Îc1¡¢c2£¬Ò²Ã»ÓÐÖ÷¼ü¡£
Ìæ»»³Éupdate AA set AA.C1='99' from AA,Inserted
        where AA.C1=Inserted.C1

¿ÉÊÇ»¹ÊÇÌáʾÕâÑùµÄ´íÎó¡£

Çë°ïæ½â¾ö£¬×ż±¡£Ð»Ð»¡£
SQL code:
CreateTRIGGER [Tri_UpdateLastSaveDate] ON [dbo].[T]
for UPDATE
AS
BEGIN
if update(C1)
begin
update T set C2=convert(varchar,getdate(),21)
from T,inserted i
where T.C3=i.C3
and i.C1='-1';
end

END


SQL code



Code highlighting produced by Actipro CodeHighlighter (freeware


Ïà¹ØÎÊ´ð£º

Access Êý¾ÝÉýǨµ½ SQLServer2005

ÎÒÔ­±¾ÊÇÓÃACCESSµÄÊý¾Ý¿â£¬ÏÖÔÚ¸ÄÓÃSQLServer2005ÁË£¬ËùÒÔÏë°Ñ֮ǰµÄÊý¾ÝÈ«¶¼µ¼µ½SQLSERVERÀïÀ´¡£
ÏÖÓÐÎÊÌâÈçÏ£º

1:¸ÄÓÃSQLserverºó£¬Êý¾Ý¿âµÄ½á¹¹Óи͝¡£Ô­±¾ÔÚaccessÖÐËùÓеĵ¥¾ÝÓÃÒ»¸ö¡°µ¥¾ÝÐÅÏ¢¡±Ö ......

200·ÖÇó´´½¨ÁÙʱ±í£¨sqlserver£©

±ÈÈçsqlÓï¾äÊÇ£º
SQL code:

select top 300
CA01.A_id as '±ä¶¯´ÎÊý',
CA01.A0188 as 'ÈËÔ±id',
CA01.apname as 'ÉóÅúÕß',
CA01.CA0100 as 'È·ÈÏ״̬',
CA01.CA0101 as '±ä¶¯ÀàÐÍ',
CA01.CA0102 as 'Éê ......

»ùÓÚsqlserver 2005µ¼³öÊý¾Ýµ½office 2007 Excel

´úÂ룺
insert into openrowset('microsoft.ace.oledb.12.0','excel 12.0;hdr=yes;database=d:\a.xslx','select * from [sheet1$]') select * from table
×¢Ò⣺µ¼³öµÄÊý¾ÝºÍ±íÍ·ÒªÒ» ......

sqlserver´æ´¢¹ý³Ì¸Äoracle

sqlserver´æ´¢¹ý³Ì¸Äoracle
Ë­»á°¡¡£¡£¡£°ïæ¸Ä¸Ä··


SET QUOTED_IDENTIFIER ON
GO
SET ANSI_NULLS ON
GO

ALTER    PROCEDURE tp_Fetch_List( 
  ......

SqlServer »ù´¡ÎÊÌâ

Ô­Êý¾Ý£º



¾­¹ý´ËsqlÓï¾ä²éѯ³öÀ´µÄ½á¹ûÊÇ£º
SQL code:
select Code, Name=stuff((select ','+Name from C t where Code=C.Code for xml path('')), 1, 1, '')
from C




¼ÓÉÏG ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ