摘要: 1.比较运算符 SQL:SELECT name, hp_max FROM heros WHERE hp_max > 6000 SQL:SELECT name, hp_max FROM heros WHERE hp_max BETWEEN 5399 AND 6811 SQL:SELECT name, 阅读全文
posted @ 2019-07-22 15:58 为你开出一树春天 阅读(455) 评论(0) 推荐(0)