好书推荐、网站大全、创业精英、实用查询、装电脑买手机、书本信息等等。
Recommend books, the website for it entrepreneurial elite, and the practical inquiry, buying computer equipment, cell phone and book information, etc.
从版本9.3开始,该实用程序得到了较好的提高;您可以获取详细的查询执行计划,而不必执行该查询。
From version 9.3 on, there is a nice enhancement of this utility; you can get the detailed query execution plan without ever executing the query.
DB 2提供了一个名为Design Advisor的实用程序,可以用它来为特定的查询或工作负载推荐索引。
DB2 provides a utility called Design Advisor which you can use to recommend indexes for a particular query or workload.
getstats实用程序发送查询到数据源,以便估计统计信息。
The getstats utility sends queries to the data source in order to estimate the statistics.
本文以 Android和iPhone 浏览器之战,第 1部分:WebKit 成援兵 的内容为基础,使用SQL本地存储和Ajax查询构建了一个高度实用的移动Web应用程序。
This article built upon the foundational knowledge from Part 1 to build a highly functional mobile Web application using SQL local storage and Ajax queries.
RUNSTATS实用程序用于更新系统目录表中的统计信息,以帮助查询优化过程。
The RUNSTATS utility updates statistics in the system catalog tables to help with the query optimization process.
EXPLAIN实用程序会报告执行查询的预期计算资源成本。
The EXPLAIN utility reports the anticipated computing resource cost of executing the query.
您将发现这个方便的实用程序可用于调试问题和提高查询性能。
You'll find this a handy utility for debugging problems and improving query performance.
如果查询工作负载导致创建许多TEMP表(您可以通过使用解释实用程序来确定)时除外。
The exception would be if the query work load results in many TEMP tables being created (you can determine this by using the explain utility).
Informix提供的用来收集详细SQL查询计划和执行统计数据的最全面的工具是SETEXPLAIN实用程序。
The most comprehensive tool that Informix provides for collecting detailed SQL query plans and execution statistics is the SET EXPLAIN utility.
该实用程序将生成一个名为sqexplain . out的文件,并详细记录查询的每个执行步骤。
This utility will generate a file called sqexplain.out, and records in detail every step of the query execution.
可以使用runstats实用程序来更新系统编目表中的统计信息,使查询优化过程更容易一些。
The runstats utility can be used to update statistics in system catalog tables to facilitate the query optimization process.
而且,由于getstats实用程序发出对昵称中的数据的查询,该实用程序的性能取决于昵称所引用的数据量。
Also, because the getstats utility issues queries against the data in the nickname, the performance of this utility depends on the amount of data referenced by the nickname.
另外一个实用工具是qtune,用于公开队列缓冲区设置,使您能够查询和设置它们。
The other utility is qtune and its purpose is to expose the queue buffer Settings so that you can inquire on them and set them.
与Linux发布打包管理和bundle(.rpm、.deb)类似,通过gem终端用户实用程序也可以查询、安装、卸载和操作这些gem。
Similar to Linux distributions packaging management and bundles (.rpm, .deb), these gems can also be queried, installed, un-installed and manipulated through the gem end-user utility.
还可以使用如下形式的db2advis实用工具基于尚处于包缓存中的最新执行的查询运行一个报告。
You can also run a report based on the recently executed queries that still reside in the package cache using the following form of the db2advis utility.
为了检查查询是否确实被路由到MQT,您可以使用SQLExplain实用程序获得由优化器选择的QueryExecutionPlan,并在计划中查找MQT访问。
To check whether the query does indeed get routed to the MQT, you can get the query Execution plan chosen by the optimizer using the SQL Explain utility and look for MQT access in the plan.
清单2是基于清单1进行修订的,可创建一个具有更强互动性的搜索实用工具,充许用户在表单中输入查询条件,并且查看与查询条件相匹配的Identi . ca帖子。
Listing 2 revises Listing 1 to create a more interactive search utility, allowing the user to enter a search term into a form and view Identi.ca posts matching the search term.
db 2 batch实用程序是对查询的运行时性能进行分析的好工具。
The db2batch utility is a great tool for analyzing the runtime performance of queries. In this scenario, we will be using the following SQL statement to perform our analysis.
另外,在齿轮CAD系统中还设计了齿廓误差计算、齿轮测绘及齿轮国家标准查询等一些具有较大实用价值的模块。
In addition, the CAD system includes some more utility modules, such as module of gear calculation of error of gear profile, module of gear measurement, module of looking up nation standard of gear.
本文通过对真实用户查询日志的标注和分析,发现基于规则的方法可以对用户意图进行有效的识别。
By analyzing and manually labeling a large number of real user query log, we found rules were very useful in identifying user intents.
界面设计图文并茂、新颖实用,为信息的管理、查询和应用提供了良好的操作平台。
With excellent combination of maps and written words, interface design provides novel and practical operation platform for the information management and enquiry.
在森林资源数据库系统中,应用系统的查询效率是衡量其实用性的关键指标。
In forest resources database, the query efficiency is the main index for the database system performance.
八大生活实用功能,特设电压电量查询,省电看得见。
Eight practical function of living, Special query Voltage and electric quantity, saving power visible.
六大生活实用功能,特设电压电量查询,省电看得见。
Six practical function of living, Special query Voltage and electric quantity, saving power visible.
它不仅支持几种主要的货币汇率查询,即时更新汇率,多种货币转换,历史走势等许多功能,简洁实用。
It not only supports several major currencies query, real-time update rate, multi-currency conversion, historical trends and many other features, simple and practical.
基于IDCQ,构建了一个应用于手机短信信息查询的实用性系统,列车时刻信息查询系统,查询正确率在96.70%。
The Train Schedule Information Query System run in mobile that is a practicability system based on the IDCQ. Its query accuracy is 96.70%.
在开发管理信息系统的过程中,能否实现具有动态复合的查询,是影响MIS系统实用性的重要因素。
It is an important factor which effects the practicability of MIS whether we can realize the dynamic compound query in the MIS developing process.
采用人工智能的问题求解方法作为理论框架,对很有实用价值的飞机航班信息查询系统问题,设计求解算法。
This paper, taking artificial intelligence problem solving methods as theoretical frame, designs a useful algorithm for airliner information inquiry system.
实验结果表明,该模型的存储效率高,查询速度快,具有较好的实用性及可扩展性。
Experimental result indicates that the model storage efficiency, query speed and has good usability and scalability.
应用推荐