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Query Processing Query Processing

Query Processing - PowerPoint Presentation

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Uploaded On 2016-07-01

Query Processing - PPT Presentation

A query is stated using SQL or other languages ideally natural languages After query parsing each query is essentially treated as a relational algebra expression Query optimizer Enumerates the possible plans to evaluate expression ID: 385479

plan query plans relation query plan relation plans join result relational algebra cost tuples relations considered left deep estimate

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