READINGS:

The following readings from the Oracle Tutorial Oracletutorial.com

• “Oracle GROUP BY”
• “Oracle HAVING”

YOUTUBE:

• “Oracle Beginner Tutorial with exercise/database basic to advance training” Series videos from EqualConnect Coach. Please see video numbers for the corresponding topics:
  • Tutorial #54 – Group by. Length of Video: 13:10
  • Tutorial #55 – Having. Length of Video: 10:48