SQL Server通过储存过程实现批量删除注意事项


这里设定传过来的参数是拼接好的字符串,如:1,2,3,4,5

create procedure up_batchDeleteById

(

    @condition varchar(max)

)

as

delete from dt_name where id in(@condition)

以上的做法看似正确,实际会报错,具体原因是说id是int类型的,而@condition是字符串类型,这样无法删除

正确做法:

create procedure up_batchDeleteById

(

    @condition varchar(max)

)

as

declare @sql varchar(max)

set @sql='delete from dt_name where id in (' + @condition + ')'

exec(@sql)

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