摘要: oracle递归查询Oracle中start 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 tables 阅读全文
posted @ 2019-08-19 15:50 Samuel-Leung 阅读(1653) 评论(0) 推荐(0) 编辑