mysql多重嵌套循环_MYSQL游标嵌套循环示例
本文将举例演示游标的嵌套用法,首先建造表结构,如下:drop table if exists `tb_user`;create table tb_user (id bigint(22) not null auto_increment primary key,name varchar(20) not NULL,age tinyint(3),gmt_create date,gmt_modified ...