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The "Relational Algebra & Codds Relational Model" Lesson is part of the full, SQL Fundamentals course featured in this preview video. Here's what you'd learn in this lesson:
In 1970, Edgar Codd invented a new way to model large, organized and shared piles of data using the expressive semantics provided by relational algebra. Today, virtually all relational databases are still based on these fundamental principles. Mike reviews the course agenda which includes evaluating conceptual models behind tables, columns, result sets and "joins."