Features:

• Fully updated for version iogR2 and provides all necessary transition material from version 91
• Includes all three aspects of Oracle database tuning: data model tuning, SQL & PL/SQL code tuning, physical plus configuration tuning.
• Contains experienced guidance and real-world examples using large data sets.
• Emphasizes development as opposed to operating system perspective

Tuning of SQL code is generally cheaper than changing the data model. Physical and configuration tuning involves a search for bottlenecks that often points to SOL code or data model issues. Building an appropriate data model and writing properly performing SQL code can give a 100%+ performance improvement. Physical and configuration tuning often only gives at most a 25% performance increase.

Gavin Powell shows that the central theme of Oracle10gR2 Performance Tuning is four-fold: denormalize data models to suit applications; tune SOL code according to both the data model and the application in relation to scalability; create a well-proportioned physical architecture at the time of initial Oracle installation; and most important, mix skill sets to obtain the best results.