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What are differentials in view management?(a) The differences between relations(b) The changes made to a relation(c) Thechanges made to an expression(d) More than one of the mentionedI had been asked this question in a national level competition.This question is from Materialized Views and Advanced Topics in Query Optimization in section Query Processing and Optimization of RDBMS

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Right ANSWER is (d) More than one of the mentioned

The best I can explain: The changes MADE to a relation or and expression are known as DIFFERENTIALS in materialized VIEW MANAGEMENT.



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