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What are the objectives of query processing?
Ans: The objectives of query processing is to transform a query written in a high level language into a accurate and efficient execution strategy expressed in a low level language and implement the strategy to retrieve the data.
WHY SHOULD NULL IN A RELATION BE AVOID AS possible?
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Define page. The database is partitioned into some number of fixed-length blocks, which are referred to as pages.
What is called query processing? Query processing refers to the range of activities included in extracting data from a database.
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