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Content of the video:
00:00:00 - Relational Algebra Complete Summary
00:43:06 - Selection is commutative
01:09:30 - Commutativity of Selection and Projection
01:21:40 - Properties of Selection & Projection in Relational Algebra
01:22:46 - GATE CSE 1998 - Query Transformations
01:29:15 - Option C GATE 1998 - Selection is Distributive over Union/Intersection/Difference

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