Question:Which of the following SQL statements 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; 

+ Answer
C 

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Md. Habib Ullah

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