摘要:
1.Subquery returns more than 1 row返回的集合应该是一条才能用,但你返回了多条。 阅读全文
摘要:
select stockcode,stockname,(zxj-(case zrspj when 0 then jrkp else zrspj end ))/(case zrspj when 0 then jrkp else zrspj end ) zdffrom hqxgwhere stockco... 阅读全文