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need asap, thank you Symbols for Relational Algebra Expressions and Other Symbols Symbols for relation schemas: R. S, T Symbols for relations: R,S,T Symbols for

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Symbols for Relational Algebra Expressions and Other Symbols Symbols for relation schemas: R. S, T Symbols for relations: R,S,T Symbols for Relational Algebra operators: u,,,0,p,,n,,4,D,D,D,M,,,D Symbois for logical connectives: A,v, 7 Symbols for comparison predicates:

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