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Examine the description of the EMPLOYEES table: EMP_ID NUMBER(4) NOT NULL LAST_NAME VARCHAR2(30) NOT NULL FIRST_NAME VARCHAR2(30) DEPT_ID NUMBER(2) JOB_CAT VARCHARD2(30) SALARY NUMBER(8,2) Which statement shows the maximum salary paid in each job category of each department?()

发布日期:2020-04-10

Examine the description of the EMPLOYEES table: EM...
A

SELECT dept_id, job_cat, MAX(salary) FROM employees WHERE salary > MAX (salary);

B

SELECT dept_id, job_cat, MAX(salary) FROM employees GROUP BY dept_id,job_cat;

C

SELECT dept_id, job_cat, MAX(salary) FROM employees;

D

SELECT dept_id, job_cat, MAX(salary) FROM employees GROUP BY dept_id;

E

SELECT dept_id, job_cat, MAX(salary) FROM employees GROUP BY dept _ id job _ cat salary;

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