List some of the features of the TPC benchmarks that help make them realistic and dependable measures.
Answer to relevant QuestionsWhy the TPCD benchmark was replaced by the TPCH and TPCR benchmarks?Give an example of a pair of groupings that cannot be expressed by using a single group by clause with cube and rollup.Suppose half of all the transactions in a clothes shop purchase jeans, and one third of all transactions in the shop purchase T-shirts. Suppose also that half of the transactions that purchase jeans also purchase T-shirts. ...Will functional dependencies be preserved if a relation is converted to a temporal relation by adding a time attribute? How is the problem handled in a temporal database?List three factors that need to be considered in query optimization for mobile computing that are not considered in traditional query optimizers.
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