mysql多表查询带2个条件_Mysql(四)-2:多表查询

本节主题

多表连接查询

复合条件连接查询

子查询

准备表

#建表

create table department(

id int,

name varchar(20)

);

create table employee(

id int primary key auto_increment,

name varchar(20),

sex enum('male','female') not null default 'male',

age int,

dep_id int

);#插入数据

insert into department values

(200,'技术'),

(201,'人力资源'),

(202,'销售'),

(203,'运营');

insert into employee(name,sex,age,dep_id) values

('egon',