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State true or false: Selection operations are commutative(a) True(b) FalseThe question was posed to me in exam.My query is from Transformation of Relational Expressions in section Query Processing and Optimization of RDBMS

Answer» RIGHT CHOICE is (a) True

Easy explanation: Selection operations are commutative i.e. selection1(selection2(R)) = selection2(selection1(R)).


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