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单选题

Which SQL statement returns a numeric value?()

发布日期:2022-05-17

Which SQL statement returns a numeric value?()
A

SELECT ADD_MONTHS(MAX(hire_Date), 6) FROM EMP;

B

SELECT ROUND(hire_date) FROM EMP;

C

SELECT sysdate-hire_date FROM EMP;

D

SELECT TO_NUMBER(hire_date + 7) FROM EMP;

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