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

sqlserver 2005 split function

set ANSI_NULLS ON
set QUOTED_IDENTIFIER ON
GO
create function [dbo].[split](@str nvarchar(1000),@word varchar(5),@no
int) returns nvarchar(500)
as begin
    declare @len int
    declare @index int
    set @index=charindex(@word,@str)
    set    @index=len(@word)+@index-1
    set @len=len(@str)
    if @index >0  and @no=2
        return substring(@str,@index+1,@len)
    else if @index>0 and @no=1
        return substring(@str,0,@index-len(@word)+1)
        return @str
end


Ïà¹ØÎĵµ£º

sqlServerÖг£¼ûµÄÈÕÆÚ¸ñʽ

½øÀ´ÒòΪ¿ª·¢Ô­Òò£¬¾­³£ÐèҪʹÓÃÈÕÆÚ·½ÃæµÄ±È½ÏºÍ²Ù×÷£¬ÕûÀíÁËÒ»ÏÂÕâ·½ÃæµÄ×ÊÁÏ£¬¹©´ó¼Ò¹²Ïí£º
SQL ServerÖÐÎİæµÄĬÈϵÄÈÕÆÚ×Ö¶Îdatetime¸ñʽÊÇyyyy-mm-dd Thh:mm:ss.mmm
ÀýÈç:
select getdate()
2004-09-12 11:06:08.177
ÕûÀíÁËÒ»ÏÂSQL ServerÀïÃæ¿ÉÄܾ­³£»áÓõ½µÄÈÕÆÚ¸ñʽת»»·½·¨:
¾ÙÀýÈçÏÂ:
select CONVE ......

ÈçºÎ»ñµÃsqlserverÊý¾Ý¿âÖÐÕ¼ÓøßcpuÓû§µÄ»î¶¯ÄÚÈÝ


ÈçºÎ»ñµÃsqlserverÊý¾Ý¿âÖÐÕ¼ÓøßcpuÓû§µÄ»î¶¯ÄÚÈÝ
1¡¢´Ó΢ÈíÕ¾µãÉÏÏÂÔØqslice_setup.exe
2¡¢´ò¿ªQuery Analyzer£¬ÔËÐÐÒÔÏÂÓï¾ä£º
declare @a int
while (1<2)
begin
select @a=1
end
½«»á·¢ÏÖcpuÂíÉÏ´ïµ½100%
3¡¢´ò¿ªqlice.exe£¬½«·¢ÏÖsqlserver.exeµÄcpuÕ¼ÓÃÂʺܸߣ¬Ë«»÷½øÈ룬³öÐÐsqlserver.exeÖоßÌåÏß³ ......

ÈçºÎ¿ªÆôSQLSERVERÊý¾Ý¿â»º´æÒÀÀµÓÅ»¯ÍøÕ¾ÐÔÄÜ


ÈçºÎ¿ªÆôSQLSERVERÊý¾Ý¿â»º´æÒÀÀµÓÅ»¯ÍøÕ¾ÐÔÄÜ
Êý¾Ý¿â, »º´æ, SQLSERVER, ÐÔÄÜ
ºÜ¶àʱºò£¬ÎÒÃÇ·þÎñÆ÷µÄÐÔÄÜÆ¿¾±»áÊÇÔÚ²éѯÊý¾Ý¿âµÄʱºò£¬ËùÒÔ¶ÔÊý¾Ý¿âµÄ»º´æ·Ç³£ÖØÒª£¬ÄÇôÓÐûÓÐÒ»ÖÖ·½·¨£¬¿ÉÒÔʵÏÖSQL SERVERÊý¾Ý¿âµÄ»º´æ£¬µ±Êý¾Ý±íûÓиüÐÂʱ£¬¾Í´Ó»º´æÖжÁÈ¡£¬µ±ÓиüеÄʱºò£¬²Å´ÓÊý¾Ý±íÖжÁÈ¡ÄØ£¬´ð°¸Êǿ϶¨µÄ£¬Õâ ......

SqlServer´¥·¢Æ÷Àí½â

´¥·¢Æ÷µÄ¶¨ÒåÓë·ÖÀà:
Ö»Òª´¥·¢Æ÷ËùÔÚ±íÉϵĶÔӦʱ¼ä·¢Éú,¾Í»á×Ô¶¯Ö´Ðиô¥·¢Æ÷µÄ´úÂë.ʵ¼ÊÉÏ,ÎÒÃDz¢²»ÄÜÖ±½Óµ÷Óô¥·¢Æ÷,ΨһµÄ·½·¨ÊÇÔÚ·ÖÅäŶ´¥·¢Æ÷µÄ±íÉÏÖ´ÐÐijÖÖÐÐΪ·½¿É¼¤»î´¥·¢Æ÷.      [´¥·¢Æ÷ÊÇÒ»ÖÖÌØÊâµÄ´æ´¢¹ý³Ì,ËûÔÚÖ´ÐÐÌØ¶¨µÄÓïÑÔʼþʱÉúЧ
 
     & ......

SQLServer ºÍOracle³£Óú¯Êý¶Ô±È

1
.¾ø¶ÔÖµ 
S:
select
 
abs
(
-
1
) value
O:
select
 
abs
(
-
1
) value 
from
 dual 
¡¡¡¡
2
.È¡Õû(´ó) 
S:
select
 
ceiling
(
-
1.001
) value 
O:
select
 ceil(
-
1.001
) value 
from
 d ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ