SQLJoins 

Super teaching with excellent examples and I truly enjoy the rawness which accelerates learning. Thank you, Tom.

Love your videos! You move at the perfect pace and gave all the information i was looking for. Thanks so much!

These are really GREAT VIDEOS.... Thank you much Tom.

Normalized Relational = Don't Repeat Yourself (DRY) This is a well established concept in programming.

Good tutorial👍👍👍👍

Full Outer join is useful when comparing two tables that should have a one to one relationship. For example orders and payments, if an order is unpaid is equally important to a misapplied or duplicated payment.