--查询用户
GO
create proc chaxun_Reader(@name varchar(50),@id varchar(20))
as begin
if(@name='' and @id='')
select * from Reader
else
select * from Reader where ReaderName=@name and ReaderID=@id
end
--exec chaxun_Reader '',''!//通过变量查找信息输出多个表格
https://blog.csdn.net/weixin_43863007/article/details/88353565