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Lecture
Are you an EPFL student looking for a semester project?
Work with us on data science and visualisation projects, and deploy your project as an app on top of Graph Search.
This lecture covers relational query languages, including relational algebra and calculus, which form the basis for SQL. It explains the importance of learning relational algebra, its operators, and its role in query optimization. The lecture also delves into the concepts of selection, projection, union, set difference, intersection, cross product, and joins. Examples are provided to illustrate the practical application of these concepts.