SQLÖÐ ³£ÓõĴ¦Àí·½·¨
-- Ò»£º ´¦Àíδ²éµ½µÄ¿ÕÖµ
select
case when exists(select EndPrice from T_stock where BOMSN='0109')
then (select EndPrice from T_stock where BOMSN='0109')
else 0 end
--¶þ£º¸üÐÂ×Ö¶ÎÖµ
--strNum ÊýÁ¿
--strId ÐòºÅ
update T_buy_Pro set CompentNum=isnull(CompentNum,0)+'strNum' ,
Status= case when isnull(BuyNumber,0) > isnull(CompentNum,0)+ 'strNum'
then '²¿·ÖÊÕÁÏ' else 'È«²¿ÊÕÁÏ' end
where BuyProID='strId'
È¥µôСÊýµãÓÐЧÊý×ÖºóÃæµÄËùÓÐ0
decimalÀàÐÍ£¬Ð¡ÊýλÊýÊÇ6룬Èç¹û²åÈëµÄÊý¾ÝΪ2.5£¬Ôò¼ìË÷ʱÏÔʾΪ2.500000
select cast(2.500000 as real)
----------½¨Ò»個º¯數Íê³É-------------
Create Function trun(@i decimal(18,6))
returns varchar(30)
begin
declare @s varchar(30)
set @s=cast(@i as varchar(30))
while len(@s)>0
begin
if cast(substring(rtrim(@s),len(rtrim(@s))-1,1) as int)<>0
begin
set @s=substring(rtrim(@s),1,len(@s)-1)
break
end
set @s=substring(rtrim(@s),1,len(@s)-1)
end
return(@s)
end
----------------------------結Êøº¯數--------
Ïà¹ØÎĵµ£º
Ðл»ÁУº
--> Éú³É²âÊÔÊý¾Ý±í: [tb]
IF OBJECT_ID('[tb]') IS NOT NULL
DROP TABLE [tb]
GO
CREATE TABLE [tb] ([a] [int],[b] [int],[c] [int])
INSERT INTO [tb]
SELECT '3','9','5' UNION ALL
SELECT '5','2','7' UNION ALL
SELECT '6','3','8'
--SELECT * from [tb]
-->SQL²éѯÈçÏ ......
USE master
GO
DECLARE @dbname sysname
SET @dbname='TEST' --Õâ¸öÊÇҪɾ³ýµÄÊý¾Ý¿â¿âÃû
DECLARE @s NVARCHAR(1000)
DECLARE tb CURSOR local FOR
SELECT s='KILL '+CAST(spid AS NVARCHAR)&nbs ......
--
> ²âÊÔÊý¾Ý£º[tb]
if
object_id
(
'
[tb]
'
)
is
not
null
drop
table
[
tb
]
go
create
table
[
tb
]
(
[
id
]
int
,
[
lx
]
int
)
insert
[
tb
]
select
29
,
2
union
all
select
30
,
3
union
all
sel ......
ºǫ́Êý¾Ý¿â£º
[Microsoft Access]
Óë
[Microsoft Sql Server]
¸ü»»Ö®ºó£¬ASP´úÂëӦעÒâÒªÐ޸ĵÄһЩµØ·½£º
[Ò»]Á¬½ÓÎÊÌ⣨¾ÙÀý)
[Microsoft Access]
constr = "DBQ=c:\data\clwz.mdb; DRIVER={Microsoft Access Driver (*.mdb)}"
[Microsoft Sql Server]
constr = "DRIVER={SQL Server};SERVER=host;DATA ......