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What do you mean by query optimization? |
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Answer» A single query can be solved or executes by WRITING DIFFERENT query plans or ALGORITHMS. Query optimization is a process in which the query optimizer chooses the most efficient algorithm to perform the GIVEN query. 13. What do you mean by denormalization?The denormalization is an optimization process to INCREASE the data redundancy in the database. As a result, the joins are avoided, and the performance of the database structure is improved. Denormalization is done after the normalization process. |
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