Physical and configuration tuning often gives at least 25% performance improvement. Gavin Powell shows that the central theme of Oracle10gR2 Performance Tuning is four-fold: denormalize data model to fit the application; tune SQL code according to both data models and applications in relation to scalability; create well proportioned physical architecture at the time of initial Oracle installation and the most important , a mixture of skill sets to get the best results. * Fully updated for version 10gR2 and provides all necessary transition material from version 9i * 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 datasets Emphasizes development as opposed to operating system perspective