摘要: 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 tabl 阅读全文
posted @ 2019-03-22 16:11 花生福 阅读(239) 评论(0) 推荐(0) 编辑