Oracle 10g Database Query optimization is of great importance for the performance of a relational database, especially for the execution of complex SQL statements. This manual books describes Oracle’s query optimizer, a key database component that
enables Oracle’s customers to achieve superior performance. This book divided into several section as follow: SQL Transformations, Heuristic query transformations, Simple view merging, Complex view merging, Cost-based query transformations, Access path selection, Bitmap indexes, Bitmap join indexes, Partition-wise joins, GROUP-BY’s and sorts, OLAP optimizations, Cost Model and Statistics, Optimizer statistics, Statistics management, parallel sampling, Optimization cost modes, Dynamic Runtime Optimizations, Dynamic degree of parallelism, Dynamic memory allocation, Database resource manager, Conclusion.
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