Multiple choice technology programming languages What is returned from the query SELECT NVL2(NULL,'V1','V2') from DUAL; V1 NULL V2 None Reveal answer Fill a bubble to check yourself C Correct answer Explanation NVL2(expr1, expr2, expr3) returns expr2 if expr1 is NOT NULL, otherwise returns expr3. Since the first argument is NULL, NVL2 returns the third argument 'V2'. This differs from NVL which only handles NULL substitution.