數據SQL語言的深刻應用

1，SQLite 別名：能夠把表或者列重命名爲另外一個名字。web e.g. select A.staff_nu, A.staff_name, B.dept_name as deptname from t_staff as A, t_dept as B where A.dept_nu = B.dept_nu; 2，SQLite 自鏈接語句 sql e.g. select A.staff_nu,A.

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