Give an example of an expression defining a materialized view and two situations (sets of statistics for
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Give an example of an expression defining a materialized view and two situations (sets of statistics for the input relations and the differentials) such that incremental view maintenance is better than recomputation in one situation and recomputation is better in the other situation.
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Let r s and t be three relations Consider a materialized view on these defined by ...View the full answer
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