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Relational Algebra Cheat Sheet. Selection ( s ) selects a subset of rows from relation. Web relational algebra basic operations:
Web relational algebra basic operations: Projection p ( ) deletes unwanted. Selection ( s ) selects a subset of rows from relation.
Web relational algebra basic operations: Web relational algebra basic operations: Projection p ( ) deletes unwanted. Selection ( s ) selects a subset of rows from relation.
