首页>
外国专利>
Query Plan Analysis Of Alternative Plans Using Robustness Mapping
Query Plan Analysis Of Alternative Plans Using Robustness Mapping
展开▼
机译:使用健壮性映射的替代计划查询计划分析
展开▼
页面导航
摘要
著录项
相似文献
摘要
Computer-implemented and associated operating methods evaluate robustness of a query plan by measuring performance with regard to a range of runtime conditions and producing a map of relative performance of the given query plan when compared with alternative plans for a range of conditions. The computer-implemented system comprises logic that evaluates the selected query plan in comparison to multiple alternative query plans in a predetermined range of runtime conditions that include data characteristics. The logic produces a set of performance measurements and analyzes the measured performance to map performance of the selected query plan in comparison to performance of one or more alternative query plans.
展开▼