“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	detergency detergent detergent pollutants detergent pollution deteriorated sugar cane poisoning deteriorated tremella poisoning deteriorating terms of trade theory deterioration deterioration of luminophor determinability determinacy determinacy axiom determinacy principle determinand determinant determinantal determinantal divisor determinantal equation determinantal expansion determinantal ideal determinantal polynomial determinantal representation determinantal theory determinantal variety determinantal wavefunction

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