JAM notation, which stands for "Join Algebraic Model," is a formal way of expressing database queries, particularly in the context of relational databases and query languages. While "JAM notation" may not be widely recognized under that specific name, variations of it are often associated with algebraic representations of relational operations such as selection, projection, union, intersection, and join. In a more general sense, relational algebra provides a foundation for querying and manipulating data in relational databases.

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