T_SQL语句创建存储过程

Class表如下：

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ClassID(PK ,int ,not null)

ClassName(varchar(50), not null)

GradeID(Fk,int ,null)

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存储过程如下：

--Class插入语句

create proc InsertClass

@ClassName varchar(50),

@GradeID int

as

insert into Class(ClassName,GradeID) values (@ClassName,@GradeID)

select @@identity

go

--Class删除语句

create proc DeleteClass

as

delete from Class

go

--Class修改语句

create proc UpdateClass

@ClassName varchar(50),

@GradeID int,

@ClassId int

as

update Class set ClassName=@ClassName,GradeID=@GradeID where ClassId=@ClassId

go

--根据班级Id查询班级信息

create proc SelectClass

@ClassId int

as

select A.*,B.GradeName as GradeIDName from Class A,Grade B

where ClassId=@ClassId

go

--查询所有班级信息

create proc SelectClassesALL

as

select * from Class

go