您要查找的是不是：
- It estimates the execution cost based on an internal cost model. 它会根据内部成本模型来预计执行成本。
- For each query, the query optimizer compares the execution cost of many alternative execution plans. 对于每个查询,查询优化程序将比较多个不同执行计划的执行成本。
- The serial execution cost of the query is not high enough to consider an alternative, parallel execution plan. 查询的串行执行成本并不过高,无需考虑替代的并行执行计划。
- Automatically determines the column order in recommended indexes based on query execution cost. 基于查询执行开销,按照建议的索引自动确定列的顺序。
- When a non-redundant set of possible join combinations has been generated, the optimizer selects the plan that appears to have the lowest execution costs. 当生成了非冗余的可能连接组合集时,优化器就选择看上去具有最低执行成本的计划。
- The composition of the executive cost in China is irrational and the reasons are manifold. 我国行政成本运作中存在著一定的问题，原因是多方面的。
- At present my province executes cost of highway construction, conserve, management, plan to collect " quaternity " highway management system. 按照“条块结合，以块为主”的方针，各市公路治理处、各县（市）公路治理站由地方交通局直接领导，是地方政府负责公路建设、养护、治理、规费征收的职能部门，并接受省公路局的业务指导。
- She reckoned she had cut her cost by half. 她估计她减少了一半的费用。
- She skirted round the problem of the high cost. 她避而不谈巨额费用问题。
- The plans were finally put into execution. 这些计划终於得以实施。
- The cost of travel to the far east is prohibitive. 到远东旅游的费用高的令人不敢问津。
- In point of cost, we'll have to discuss it at the next meeting. 至于费用方面，我们只好留到下次会议再讨论。
- Do the time of the execution of the work suit you? 贵方觉得工程完成期限定得合适吗？
- The speech did good execution for our side. 这篇讲话对我们这一方大有良好效果。
- His parents balk at the cost of the guitar he want. 他想要那个吉他，但他父母看到吉他的价格却踌躇不决。
- He put the telephone bill down as a business cost. 他把电话费用作为办公费记下。
- The artillery did great execution. 这种大炮的威力很大。
- My new car cost me a cool thousand pounds. 我的新车整整花了我1000镑。
- The prisoner made shrift before his execution. 这个犯人在被处死前做了忏悔。
- How much did it cost you to study abroad? 你出国深造花了多少钱？
