如何在表中插入值时自动递增表变量的列

Question

DECLARE @BusinessUnit AS Table( [id] varchar(10),sn int );
begin 

INSERT INTO @BusinessUnit([id])
SELECT name
FROM test 
WHERE course = 'Mca';
select * from @BusinessUnit;
end

如何在插入记录时在sn字段中指定自动增量值.我需要以下类型的输出:

id 'Deepak' sn  1 and id 'Rohan'  sn  2  like that

Answer 1

修改表变量以使用列的IDENTITY属性sn:

DECLARE @BusinessUnit AS Table( [id] varchar(10), sn int IDENTITY (1,1) );

其余代码应该保持不变.