2020 年 5月 30 日随笔档案 - balian

2020年5月30日

Teach Yourself SQL in 10 Minutes–Page23 练习

摘要： 1. Write a SQL statement to retrieve all customer IDs (cust_id) from the Customers table.SELECT cust_id FROM Customers;2. The OrderItems table contains every item ordered (and some were ordered multip... 阅读全文

posted @ 2020-05-30 10:59 balian 阅读(117) 评论(0) 推荐(0) 编辑