英语词汇cost-based query optimization怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

翻译

基于成本的查询优化

以上为机器翻译结果，快速获取精准的人工翻译结果，建议选择有道人工翻译

网络释义

1
?成本为基的查询最佳化
... 成本差异-现金对标准 cost variations-current to standard 成本工作单 cost worksheet 成本为基的查询最佳化 cost-based query optimization ...

双语例句

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The optimizer considers star join optimization when appropriate and decides on star join plan based on cost considerations in order to come up with best execution plan for a star join query.
为了实现星型连接查询的最佳执行计划，优化器在适当的时候会考虑星型连接优化，并根据成本因素来决定星型连接计划。
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There are two methods of database query optimization: cost-based and response time-based query optimization, all of which can improve the efficiency of complex query.
数据库查询优化包括两方面，基于代价的查询优化和基于响应时光的查询优化，可以有效地提高庞杂查询的效力。

单词	cost-based query optimization
释义	cost-based query optimization 翻译基于成本的查询优化以上为机器翻译结果，快速获取精准的人工翻译结果，建议选择有道人工翻译网络释义 1 ?成本为基的查询最佳化 ... 成本差异-现金对标准 cost variations-current to standard 成本工作单 cost worksheet 成本为基的查询最佳化 cost-based query optimization ... 双语例句 1 The optimizer considers star join optimization when appropriate and decides on star join plan based on cost considerations in order to come up with best execution plan for a star join query. 为了实现星型连接查询的最佳执行计划，优化器在适当的时候会考虑星型连接优化，并根据成本因素来决定星型连接计划。 2 There are two methods of database query optimization: cost-based and response time-based query optimization, all of which can improve the efficiency of complex query. 数据库查询优化包括两方面，基于代价的查询优化和基于响应时光的查询优化，可以有效地提高庞杂查询的效力。
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