---索引视图索引视图是具体化的视图--创建索引视图 create view 视图名 with schemabinding as select 语句 go---创建索引视图需要注意的几点 1. 创建索引视图的时候需要指定表所属的架构 --错误写法 create view v_f with schemabinding as select a.a,a.b,b.a,b.b from a join b on a.id=b.id go---正确写法: create view v_f with schemabinding as select a.a,a.b,b.a,b.b from dbo.a join dbo.b on a.id=b.id go 2.在创建索引视图的select语句时,不使用*,必须指定具体的列名 --错误写法 create view v_f with schemabinding as select * from dbo.a join dbo.b on a.id=b.id go---正确写法 create view v_f with schemabinding as select a.a,a.b,b.a,b.b from dbo.a join dbo.b on a.id=b.id go3.在创建索引视图的select 语句中,不能存在重复的列名,这个不举例了4. 只能为索引视图创建唯一聚集索引 --正确的写法 create unique clustered index ix_uniquetb on v_tb go--错误的写法 create clustered index ix_uniquetb on v_tb go
create view 视图名 with schemabinding
as
select 语句
go---创建索引视图需要注意的几点
1. 创建索引视图的时候需要指定表所属的架构
--错误写法
create view v_f with schemabinding
as
select
a.a,a.b,b.a,b.b
from
a join b
on
a.id=b.id
go---正确写法:
create view v_f with schemabinding
as
select
a.a,a.b,b.a,b.b
from
dbo.a join dbo.b
on
a.id=b.id
go
2.在创建索引视图的select语句时,不使用*,必须指定具体的列名
--错误写法
create view v_f with schemabinding
as
select
*
from
dbo.a join dbo.b
on
a.id=b.id
go---正确写法
create view v_f with schemabinding
as
select
a.a,a.b,b.a,b.b
from
dbo.a join dbo.b
on
a.id=b.id
go3.在创建索引视图的select 语句中,不能存在重复的列名,这个不举例了4. 只能为索引视图创建唯一聚集索引
--正确的写法
create unique clustered index ix_uniquetb on v_tb
go--错误的写法
create clustered index ix_uniquetb on v_tb
go