'Data records data records' presentation slideshows

Final Exam Review

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Under the Covers: Tuning and Physical Storage

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Overview of Storage and Indexing

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File Organizations and Indexing

File Organizations and Indexing. Chapter 8. Alternative File Organizations. Many alternatives exist, each ideal for some situation , and not so good in others: Heap files: Suitable when typical access is a file scan retrieving all records.

434 views • 30 slides

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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File Organizations and Indexing

File Organizations and Indexing. "If you don't find it in the index, look very carefully through the entire catalogue." -- Sears, Roebuck, and Co., Consumer's Guide, 1897. Lecture 4 R&G Chapter 8. Context. Query Optimization and Execution. Relational Operators.

325 views • 24 slides

Overview of Storage and Indexing

Overview of Storage and Indexing. Data on External Storage. Disks: Can retrieve random page at fixed cost But reading several consecutive pages is much cheaper than reading them in random order Tapes: Can only read pages in sequence Cheaper than disks; used for archival storage

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File Organizations and Indexing

235 views • 15 slides