DATE, -- 入职日期
dept_id INT,
FOREIGN KEY (dept_id) REFERENCES dept(id) -- 外键,关联部门表(部门表的主键)
);
INSERT...,salary,join_date,dept_id) VALUES('唐僧','男',9000,'2008-08-08',2);
INSERT INTO emp(NAME,gender,salary,join_date...`join_date` > '2011-11-10';
SELECT *FROM dept t1,(SELECT *FROM emp WHERE emp....`join_date` > '2011-11-10') t2 WHERE t1....`join_date` > '2011-11-10';
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