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

Window Functions

Introduction
4. Table review
Simple OVER()
PARTITION BY
Ranking functions
Window frame
Analytic functions
ORDER BY PARTITION BY
Order of evaluation
Summary

Instruction

Can customers rate movies? Let's find out.

Exercise

Select all the information from the review table.

Customers can rate movies, too! This is done via reviews. Each review has an id, a rating (0-10), the customer_id and the movie_id, of course.