我想要一个在特定日期没有在两个不同表上下订单的客户的列表
我尝试过:但是什么也没带回来
SELECT "OEORDH"."CUSTOMER","OEORDH"."BILNAME","OEORDH"."ORDDATE"
FROM "SAMINC"."dbo"."OEORDH"
inner JOIN "SAMINC"."dbo"."ARCUS"on "ARCUS"."IDCUST" = "OEORDH"."CUSTOMER"
where "OEORDH"."ORDDATE" is null
ORDER BY "ARCUS"."IDCUST"
请帮助
我希望输出显示所有未下订单的客户。