摘要: 不用加is SELECT * FROM student s;SELECT * FROM teacher t;SELECT * FROM score sc ;SELECT * FROM course c ;SELECT * FROM grade g ;--1、 查询Student表中的所有记录的Sna 阅读全文
posted @ 2017-08-14 13:51 *眉间缘* 阅读(217) 评论(0) 推荐(0) 编辑