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Click the Exhibit button to examine the data of the EMPLOYEES table. Evaluate this SQL statement: SELECT e.employee_id "Emp_id", e.emp_name "Employee", e.salary, m.employee_id "Mgr_id", m.emp_name "Manager" FROM employees e JOIN employees m ON (e.mgr_id = m.employee_id) AND e.salary > 4000; What is its output?()

发布日期:2021-01-28

Click the Exhibit button to examine the data of th...
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A

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B

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C

D

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E

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