摘要: 一、Oracle中start with…connect by prior子句用法 connect by 是结构化查询中用到的,其基本语法是:select … from tablename start with 条件1connect by 条件2where 条件3;例:select * from ta 阅读全文
posted @ 2018-12-01 17:41 杨浪 阅读(504) 评论(0) 推荐(0)