Index classification - PowerPoint PPT Presentation

Indexing

Indexing. February 28 th , 2003 Lecture 20. Review. What is index? Compare with primary key Why do we need index? Alternative for data entry k* in index? Data record with key value k &lt; k , rid of data record with search key value k &gt;

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Overview of File Organizations and Indexing

Overview of File Organizations and Indexing. courtesy of Joe Hellerstein for some slides. Jianlin Feng School of Software SUN YAT-SEN UNIVERSITY. Context. Query Optimization and Execution. Relational Operators. Files and Access Methods. Buffer Management. Disk Space Management. DB.

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359 views • 25 slides

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