Shulou(Shulou.com)06/01 Report--

# case: query the employee name and the superior's name, find the superior's id through the employee's name, and then find the superior's employee's name through the superior's id

SELECT e.employee_id,e.last_name,m.manager_id,m.last_nameFROM employees AS e,employees AS mWHERE m.employee_id=e.manager_id

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