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CS222 P : Principles of Data Management UCI, Fall 2018 Notes # 13 Query Optimization (System-R)

CS222 P : Principles of Data Management UCI, Fall 2018 Notes # 13 Query Optimization (System-R)

CS222 P : Principles of Data Management UCI, Fall 2018 Notes # 13 Query Optimization (System-R). Instructor: Chen Li. System R Optimizer. Impact: Most widely used currently; works well for < 10 joins. Cost estimation: An approximate art at best ( ?).

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224 views • 22 slides
Instructor: Chen Li

Instructor: Chen Li

CS222 /CS122C : Principles of Data Management UCI, Fall 2018 Notes # 13 Query Optimization (System-R). Instructor: Chen Li. System R Optimizer. Impact: Most widely used currently; works well for < 10 joins. Cost estimation: An approximate art at best ( ?).

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233 views • 22 slides
Query Optimization

Query Optimization

Query Optimization. Vishy Poosala Bell Labs. Outline. Introduction Necessary Details Cost Estimation Result Size Estimation Standard approach for query optimization Other ways Related Concepts.

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208 views • 19 slides
System R Optimizer

System R Optimizer

System R Optimizer. Read the paper (available at the course web page):

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276 views • 17 slides
Prepared by N.Sathish Kumar CSE/ Lecturer SKREC

Prepared by N.Sathish Kumar CSE/ Lecturer SKREC

Prepared by N.Sathish Kumar CSE/ Lecturer SKREC. RTTI AND TEMPLATES Class templates work well with RTTI, since all they do is generate classes. As usual, RTTI provides a convenient way to obtain the name of the class . . #include < iostream > #include < typeinfo > using namespace std;

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169 views • 8 slides

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