英语释义

• an electronic receiver that detects and demodulates and amplifies transmitted signals

• someone who tunes pianos

片语

STAGE TUNER弦乐校音仪

slide tuner滑动式调谐器

Tuner gStrings调音器

slug tuner铁芯调谐器

GUITAR TUNER吉它调音器

fm tuner调频调谐器

Import Tuner美国汽车改装杂志

Piano Tuner钢琴调谐器

impedance tuner阻抗调谐器

OC Tuner超频调节器

英汉例句

• query tuner also provides index advice.

  querytuner还提供索引建议。

• optim query tuner can format the problem query, which provides a good starting point for analysis.

  optimquerytuner可以格式化问题查询，这为以后的分析提供了一个良好开端。

• adding optim query tuner helps developers tune sql for db2 based on expert guidance to build skills and to reduce query tuning needs in production where risks and costs are much higher.

  添加optimquerytuner可以帮助开发人员根据专家的指导为db2调试sql，以积累经验并减少在生产环境中进行调试，因为在生产中调试的风险和成本要高得多。

• this section illustrates how the query tuner query annotation and access path graph can help you analyze access paths and sql performance.

  本部分说明querytuner查询注释和访问路径图如何帮助您分析访问路径和sql性能。

• you can select the costliest query, and you can launch optim query tuner directly from that view.

  您可以选择成本最低的查询，并可以从那个视图直接启动optimquerytuner。

• the description of each operation includes a query tuner access path graph that explains its operational semantics.

  每一个操作的描述都包括一个解释其操作语义的querytuner访问路径图。

• another option is to use query tuner to capture statements from the statement cache and to view the statement runtime information, as shown in figure 7.

  另一个选择是使用querytuner从状态缓存获取状态，并查看状态运行时信息，如图7所示。

• for more on this head over to our article on how to watch tv programs without a tv tuner card in windows 7 media center.

  关于怎样观看电视节目的更多信息，可以阅读我们的文章《在windows7媒体中心里无电视调谐卡观看电视节目》。

• for each predicate in the query, query tuner adds statistics annotations for the referenced columns in the predicate and also the cost estimation for the predicate

  对于查询中的每个谓词，querytuner为谓词中的引用行和谓词的成本评估添加了统计数据注释

• for each table reference in the query, query tuner adds the following annotations

  对于查询中的每个表引用，querytuner会添加以下注释

• so far, you've seen how you can analyze and tune a problem query with the assistance of optim query tuner capabilities, such as query annotation, access plan graph, and so on.

  到目前为止，您已经看到如何在optimquerytuner 各项功能的帮助下分析和调优问题查询，这些功能包括查询注释、访问计划图等等。

• you can save them for later execution, or run them directly from the query tuner client if you have the appropriate authority.

  您可以将其保存以后执行，或者，如果您有适当权限，可以直接在querytuner客户端中运行。

• for brevity, this article series uses the name optim query tuner to refer to the set of advisors and tools that provide optim query tuning solutions.

  为了简便起见，本文章系列使用optimquerytuner名称来指提供optim查询调优解决方案的顾问和工具集。

• optim query tuner provides a series of advisors to automate the query tuning by giving recommendations, which you can review and implement directly from the product to resolve a performance issue.

  optimquerytuner提供了一系列建议工具，通过提供建议来自动化查询调优，从而您可以直接在本产品中评审和执行，从而解决性能问题。

• table 1 describes the input, output, and function of several operation nodes that typically appear in an optim query tuner access path graph.

  表1描述通常出现在optimquerytuner访问路径图上的输入、输出和几个操作节点的功能。

• note, you can specify a threshold in the query tuner preferences to define how old statistics are before they are considered obsolete.

  请注意，您可以在querytuner优先权中设置一个阈值，定义多旧的数据可认为过时。

• launch into optim query tuner (if installed) directly from sql-related dashboards to do immediate tuning of problematic sql, closing the loop on performance problem resolution.

  直接从sql相关的面板启动optimquerytuner（如果已安装）来快速调整有问题的sql，结束性能问题解决循环。

• query tuner statistics advisor makes it easier by providing runstats recommendation to collect the required statistics by identifying the following problematic statistics status.

  querytuner统计数据通过提供runstats建议使得确定以下问题统计状态，收集所需统计数据变得非常容易。

• these tvs are normally 480p displays with an analog tuner (for the normal channels 2 through 83) built in.

  通常具有480p的屏和一个内建的模拟调谐器。

• an index scan is typically shown in query tuner as a group of four nodes in the access path graph.

  在访问路径图中，一个索引扫描通常作为一组四个节点显示在querytuner 上。

• note that this article mainly focuses on the query tuning methodology and uses screen captures from optim query tuner to illustrate the points.

  请注意，本文主要关注的是查询调优方法，并使用optimquerytuner 的屏幕截图来演示要点。

• query tuner provides a visualization of the processing that your data server uses to run a query.

  在querytuner 中可以看到您的数据服务器运行查询的处理过程。

• based on this idea, you should perform the following tasks to tune the query completely, which you can do from within query tuner

  根据这个思路，您应该执行以下步骤对查询进行完全的调优，这些都可以在querytuner 中完成。

• optim query tuner provides reports in html and text format that contain information about the tables, indexes, and predicates that are involved with a particular sql statements.

  optimquerytuner提供了html和文本格式的报表，其中包含表、索引和谓词，这些都包含在一个特定的sql语句中。

• figure 1 is the access path graph generated by optim query tuner for the query shown in listing 1.

  图1是通过清单1所示的适用于查询的optimquerytuner生成的访问路径图。