Oracle Database and SQL Fundamentals

Casual Mode - Take your time!

1 / 20
✓
Correct
0
✗
Incorrect
0
★
Score
0%
Multiple Answers

What is true of using group functions on columns that contain NULL Values

  1. Group functions on columns ignore NULL values.
  2. Group functions on columns returning dates include NULL values
  3. Group functions on columns returning numbers include NULL values.
  4. Group functions on columns cannot be accurately used on columns that contain NULL values.
Change Mode