Relational Algebra Courses
University of Washington via Coursera Database Systems Concepts & Design
Georgia Institute of Technology via Udacity DBMS - Database Management System
YouTube Introduction to Database Systems
NPTEL via YouTube Intro to Database Systems - Fall 2017
Carnegie Mellon University via YouTube CS403: Introduction to Modern Database Systems
Saylor Academy Additional Relational Algebra Operations
Neso Academy via YouTube Introduction to Relational Databases
Illinois Institute of Technology via Coursera Algebraic Structures in Logic and Query Evaluation - Part 2
Simons Institute via YouTube Algebraic Structures in Logic and Query Evaluation - Part 1
Simons Institute via YouTube