Examine the description of the EMPLOYEES table
NIS DATE FORMAT is set to DD-MON-YY
Which query requires explicit data type conversion?
A.SELECT join date FROM employees WHERE join date >'10-02-2018'; B.SELECT join date || ' '|| salary FROM employees C.SELECT salary + '120.50' FROM employees D.SELECT SUBSTR( join_date, 1, 2)-10 FROM employees E.SELECT join date + '20' FROM employees正确答案A
