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By Dennis Shasha, Philippe Bonnet

The publication does an excellent task of truly explaining the principals with concrete instance and delivering appropriate information regarding a number of advertisement database platforms. i discovered the ppt at [...] to be a truly priceless spouse for the publication.

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Extra info for Database Tuning: Principles, Experiments, and Troubleshooting Techniques (The Morgan Kaufmann Series in Data Management Systems)

Sample text

Take advantage of transactional context to chop transactions into small pieces. 4. Weaken isolation guarantees when the application allows it. 5. Select the appropriate granularity of locking. 6. Change your data description data during quiet periods only. ) 7. Think about partitioning. 8. Circumvent hot spots. 9. Tune the deadlock interval. You can apply each tuning suggestion independently of the others, but you must check that the appropriate isolation guarantees hold when you are done. The first TEAM LinG - Live, Informative, Non-cost and Genuine!

4. 5. 6. 7. 8. Bob selects the deposit option. Alice selects the deposit option. Alice puts the envelope with her money into the machine at her branch. Bob does the same at his branch. Alice’s transaction begins and reads the current balance of $0. Bob’s transaction begins and reads the current balance of $0. Alice’s transaction writes a new balance of $500, then ends. Bob’s transaction writes a new balance of $100, then ends. Naturally, Bob and Alice would be dismayed at this result. They expected to have $600 in their bank balance but have only $100 because Bob’s transaction read the same original balance as Alice’s.

Triggers. Chapter 5 considers the tuning problem for the interface between the database server and the outside world. Tuning the application interface. Bulk loading data. Tuning the access to multiple database systems. Chapter 6 presents case studies mainly drawn from Shasha’s work on Wall Street. Chapter 7, written by veteran DBA Alberto Lerner, describes strategies and tools for performance monitoring. Chapter 8 presents tuning techniques and capacity planning for e-commerce applications. Chapter 9 discusses the uses and abuses of data warehouses from Joe Celko’s experience.

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