SQL 数据库 创建视图

--创建视图

exec sp_help sysobjects

use [4S_Auto] 

go

exec sp_help Customer_Car

if exists(select * from sysobjects where name='v_car')

drop view v_car

go

create view v_car

as

select Car_ID,Car_Type,Car_Displacement,Car_Mil,Car_BuyTime

from Customer_Car 

--视图创建成功

select * from sysobjects

where name='v_car'

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exec sp_help sysobjects

exec sp_help Customer_Car

--访问视图

select * from v_car

if exists(select * from sysobjects where name='v_car_2')

drop view v_car_2

go

create view v_car_2

as

select Car_ID,Customer_ID

from Customer_Car 

--访问视图2

select * from v_car_2 

exec sp_helpconstraint Customer_Car

exec sp_help Customer_Info

exec sp_helpconstraint Customer_Info

insert into Customer_Info(Name,Sex,Identity_ID,Phone,Office_Phone,Email)

values('a','女','8349382948239','345332','353','324532432');

select * from Customer_Info 

exec sp_help Customer_Car

insert into Customer_Car(Car_ID,Customer_ID,Car_Type,Car_Displacement,Car_BuyTime,Car_Mil)

values('a9',9,'good',453,'2012.3.4 12:30',45);

--修改视图，基表数据变化

update v_car set Car_Type='best' where Car_ID='a9'

select * from Customer_Car 

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--添加视图信息，基表数据变化

insert into v_car(Car_ID,Car_Type,Car_Displacement,Car_Mil,Car_BuyTime)values('a10','good',343,45,'2012.4.5 13:00')

--有错误
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--插入10万条记录

go

alter proc p_insert_rows

as

set nocount on

set IMPLICIT_TRANSACTIONS ON

declare @i int,@cnt int,@d datetime

select @d=getdate(),@i=1,@cnt=100000

while(@i<=@cnt)

begin

insert into tstuTest

values(@i,left(convert(varchar(40),newid()),10),@i%2,convert(varchar(40),newid()),rand()*100,@d-@i%1000)

set @i=@i+1

if(@i%100=0)

commit tran

end

set IMPLICIT_TRANSACTIONS off

commit tran

go

truncate table tstuTest

exec p_insert_rows

use [4S_Auto] 

go

create table tstuTest

(

[a]int not null,

[b]varchar not null,

[c]int not null,

[d]varchar not null,

[e]int not null,

[f]int not null

)

alter table tstuTest alter column f datetime not null

alter table tstuTest alter column b varchar(40)not null

alter table tstuTest alter column d varchar(40)not null

exec sp_help tstuTest
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select COUNT(*)

from tstuTest 
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select *

from tstuTest 

where a between 3456 and 20000