“query optimization”的概念、定义、翻译、参考文献-科学参考

单词	query optimization
释义	query optimization Encyclopedia 理学数据库系统释 query optimization查询优化查询优化旨在通过选择有效策略，对给定的关系表达式求值，使得查询代价最小。 Computer 数据库数据库管理系统及其实现技术释文 query optimization查询优化
随便看	Descartes formula Descartes' method of doubt Descartes oval Descartes, René Descartes rule of signs Descartes snark Descartes theorem Descartes total angular defect descendant descendant field descendants Descendants of the Five Gallants Descendants of the Sun descendant state descendent descend flight test descending descending approach descending branch descending central series descending chain descending chain condition descending chain condition for left ideals descending colon descending development method

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