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MySQL单表查询实例详解
1、准备数据以下 *** 作将在该表中进行create table student (id int unsigned primary key auto_increment,name char(12) not null,gender enum(&q
1、准备数据以下 *** 作将在该表中进行create table student (id int unsigned primary key auto_increment,name char(12) not null,gender enum(&q