开立销售单据后，打开销售汇总表，发现汇总

A、select count(*) from goods，select count(*) from goodsunit ，通过此查询记录，判断两表的合计数是否一致，select * from saledetail where price<>unitprice or quanitity<>unitqty 通过此查询语句，判断销售开单从表是否存在记录 ，update saledetail set price=unitprice and quantity=unitqty where price<>unitpri