随笔分类 -  SQL

Oracle/SQL基础
摘要：Oracle学习笔记 表结构 01 基本操作 SELECT e.last_name, d.department_name, l.city FROM employees e, departments d, locations l WHERE e.department_id = d.department 阅读全文
posted @ 2021-01-29 08:34 JennerShao 阅读(196) 评论(0) 推荐(0)