Set Theory Courses
Coursera Project Network via Coursera Discrete Mathematics
Udemy Discrete Mathematics: Beginner's Complete, Math Crash Course
Udemy Master Discrete Mathematics: Sets, Math Logic, and More
Udemy Diseños y métodos de investigación comparativa
University of Naples Federico II via edX Combining and Filtering Data with PostgreSQL
Pluralsight Querying Relational Databases Course (How To)
Treehouse Discrete Mathematics
YouTube Probability Methods in Civil Engineering
NPTEL via YouTube Probability/Random Variables
Georgia Institute of Technology via edX