这是因为一些数据库被配置为会杀掉长时间空闲的连接,网络或数据库相关的异常也可能会杀死连接。
This is because some databases are configured to kill long idle connections and a network or database related exception may also kill a connection.
然后参与者做它们需要做的任何事情,如把结果写为真正的数据库数据或进行一些其它优化。
The participants can then do whatever they need to do, such as perhaps writing the results to the real database data or some other optimizations they might devise.
为便于演示,我将向数据库再添加一些文档。
For demonstration purposes, I'll add some more documents to the database.
为实现高性能、灵活性以及相关排序等,一些搜索引擎与数据库直接相连,从数据库提取数据并生成索引。
To achieve high performance, flexibility, relevance ranking, and so on, some search engines connect to databases directly, extract data, and generate indexes from databases.
除了硬件从以磁盘为中心转移到以内存和处理器为中心的数据管理外,一些用于解决不同数据库工作负载的灵活的技术也在开发中。
Along with the shift in hardware away from disk-centric and toward memory - and processor-centric data management, flexible technologies are being developed to address different database workloads.
另一种管理数据库中写入争用的方法是为一些或所有应用程序数据评估使用NoSQL数据存储的可能性。
Another approach to managing write contention in the database is to evaluate the possibility of using NoSQL data stores for some or all of your application data.
这通常是好的交易,但甚至在简单的应用程序中,您也可能需要下降一个级别到达Python数据库接口,为一些关键路径的操作编写原始sql。
This is usually a good deal, but even in simple applications, you may need to drop down a level to the Python database interface and write raw SQL for some critical-path operations.
在下一篇文章中,我将介绍一些实用技巧,您可以使用这些技巧来为另一个真实世界中的Rails示例进行数据库优化。
In the next article, I'll write about some tricks that we use to do database optimization for another example of real world Rails.
在很早以前的一篇文章中,我介绍了如何使用基于rdf的WordNet数据库为应用程序专用的搜索引擎增加一些自然语言的能力。
In a much earlier article, I showed you how to use an RDF-based WordNet database to add some natural language power to application-specific search engines.
为了全面使用数据库,您可以将一些实体的关系理解为一对一而不是多对一。
To override the database interpretation of the relationship of some of your entities to be One-to-One rather than Many-to-One.
Optim DevelopmentStudio为每个数据库及其支持的编程语言附带了一些模板。
Optim Development Studio ships a number of templates for each database and supported programming language.
为进行比较,让我们对文件数据库执行类似的索引搜索(使用了一些额外的搜索术语以使结果列表保持合理)。
For comparison, let's perform a similar indexed search against a file database (some additional search terms are used to keep the result list reasonable).
然而,如果您开始为您所有项目获取一些关键度量,您可以逐渐使之增长成为一个有价值信息的数据库,根据它您可以应用统计分析。
However, if you begin to capture a few key metrics on all of your projects, you will grow a database of valuable information upon which you can apply statistical analyses.
在本小节中,您将启动应用程序构建器、检查一些工件、添加一些依赖项,以及为您的数据库创建一个配置条目。
In this section, you launch the application builder, examine some artifacts, add some dependencies, and create a configuration entry for your database.
我们为确定新集群的大小提供一些见解,最后介绍未来的工作负载平衡和容量计划工具,帮助您恰当地分布数据库。
We provide some ideas on sizing a new cluster and conclude with news about a forthcoming workload balancing and capacity planning tool that can help with database distribution.
本小节以ibmDB 2数据库系统为例,提供一些数据库调优规则。
This section provides some tuning guidelines for the IBM DB2 database system, as an example.
一些食品来源于usda的食品与营养日常研究数据库(2),被分类为开头为5,7,9的五个数字组成的标识。
Some foods are from the USDA's food and Nutrient Database for Dietary Studies 2, identified by a 5-digit number starting with 5, 7, or 9.
这些文件被组织为一些库,可以视为关系数据库资源。
These files are organized into libraries and can be viewed as relational database resources.
要捕获更改后的数据,您可以为各表配备一些触发器,或者使用其他方法,比如为Oracle数据库提供的OracleChangeDataCapture。
To capture the changed data, you can place triggers in the respective tables, or use other methods such as Oracle change data capture, which is provided for Oracle databases.
虽然bug数据库为Synth赋予了一个相对干净的形象,我在处理登录屏幕的时候还是碰到一些问题。
Despite the relatively clean image that the bug database gives Synth, I had some other issues when working with the login screen.
本系列教程为您讲解SQL的一些基础和高级话题以及XQuery的基础知识,并展示如何使用SQL查询或XQuery语句将常被问起的业务问题表达为数据库查询。
This tutorial series teaches basic to advanced SQL and basic XQuery topics and shows how to express commonly asked business questions as database queries by using SQL queries or XQueries.
下面的代码将对这个数据库进行初始化;这等同于在Notes中为一个为话框列表字段添加一些可以选择的值。
This section initializes parts of the database; this is the equivalent of adding selectable values to a dialog list field in notes.
并以该系统为应用实例,介绍了用VB语言进行绘制图表以及使用及操作数据库的一些要注意的地方。
And regard this system as instance of using, is it go on chart of drawing and use and operate some places that should pay attention to of the database with VB language to introduce.
一些已经为你提供好了的重写规则和超过40000个词分类词词典数据库,提供目前科技进步水平重写引擎。
Some well thought rewriting rules and a thesaurus database of more than 40000 words, provide the state of the art rewriting engine.
一些已经为你提供好了的重写规则和超过40000个词分类词词典数据库,提供目前科技进步水平重写引擎。
Some well thought rewriting rules and a thesaurus database of more than 40000 words, provide the state of the art rewriting engine.
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