“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	Vladimir Nikolaevich Krupin Vladimir Nikolaevich Sokolov Vladimir Nikolaevich Voinovich Vladimir Nikolayevich Davydov Vladimir Nikolayevich Ipatieff Vladimir Nikolayevich Sukachiov Vladimir Osipovich Sherwood Vladimirov Vladimirov method Vladimirov variational principle Vladimir Pogacic Vladimir Prelog Vladimir Semyonovich Makanin Vladimir Semyonovich Vysotsky Vladimir Sergeyevich Solovyov Vladimir Shushililn Vladimir Sosyura Vladimir Spivakov Vladimir-Suzdal school of icon painting Vladimir Tatlin Vladimir the Great Vladimir Vasilievich Stasov Vladimir Vasilyev Vladimir Vasilyevich Karpov Vladimir Viktorovich Adoratsky

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。