摘要: 创建一个多列索引:CREATE TABLE test ( id INT NOT NULL, last_name CHAR(30) NOT NULL, first_name CHAR(30) NOT NULL, PRIMARY KEY (id), INDEX name (last_name,first 阅读全文
posted @ 2017-04-05 17:30 PointNet 阅读(7052) 评论(0) 推荐(2) 编辑