多表 INNER JOIN 用法

备忘：SQL多表内连接语法

 

select * from B_DiscountExecH EH
inner join B_DiscountExecD ED on EH.DiscountNo=ED.DiscountNo
inner join B_DiscountReg  R on R.RegNo=ED.RegNo
inner join B_DiscountSett  S on S.RegNo=ED.RegNo