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Consider the following Relation (T) which is a bag(Recall our discussion about bags and sets) P Q R 1 2 7 1 2 5 3
Consider the following Relation (T) which is a bag(Recall our discussion about bags and sets) P Q R 1 2 7 1 2 5 3 4 6 1 2 7 Apply the selection operation sigma ( ) for all tuples for which R 6.
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Retailing Management
Authors: Michael Levy
11th Edition
1264157444, 9781264157440
