Deals Of The Week - hours only!Up to 80% off on all courses and bundles.-Close

Wrap course as a gift

Prepare your gift and double-check it looks just right.

Form validation errors

Recipient's Name:
Recipient's Email:
Your Message (Optional):
Proceed to Checkout

Standard SQL Functions

Review
4. NULL – quick review #2
Comparisons with NULL
Functions with NULL
COALESCE to the rescue
NULLIF
Review and practice

Instruction

Ok, one more exercise before we start for real.

Exercise

Now, select name for all the products whose category is NULL.

Stuck? Here's a hint!

Use IS NULL in the WHERE clause.