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Lecture Database system concepts (6/e): Chapter 12 - Silberschatz, Korth, Sudarshan

This chapter describes the process by which queries are executed efficiently by a database system. Query processing refers to the range of activities involved in extracting data from a database. The activities include translation of queries in high-level database languages into expressions that can be used at the physical level of the file system, a variety of query-optimizing transformations, and actual evaluation of queries.

Từ khóa: Lecture Database system concepts, Database system concepts, Database system, Database design, Query processing, Measures of query cost

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