The fifth chapter analyzes the performing requirements of the database of the teaching administration information system and offers design for some databases.
第五章分析了教学管理信息系纺的后台数据库的性能要求，并结合数据库理论对部分后台数据库进行了详细的设计。
This component typically runs on the same machine where the source database resides, although for some databases, it can also run remotely from the source database.
通常该组件在源数据库所在的机器上运行，但对于有些数据库，也存在远程运行。
For each step, we've listed some key V8.2 enhancements that apply to OLTP databases, where the primary interest is in indexes.
对于每一步，我们列出了V8.2中适用于OLTP数据库(其中最相关的就是索引)的一些关键的增强。
For example, some databases provide special syntax on the select statements to declare the intentions of updating the rows selected by the select statement.
例如，有些数据库在select语句上提供了特殊的语法，声明用来更新select语句所选中的行。
Some native XML databases are incorporating support for faceted searches, but they require special indexes to deliver the best performance.
一些原生XML数据库正在包含对面搜索的支持，但是它们需要特殊的索引才能提供最佳性能。
This section describes some scalability-related tuning knobs and some relevant tuning parameters for the involved subsystems like the JVMs and the databases.
本小节介绍JVM和数据库这些相关子系统的一些可伸缩性相关调优选项和一些相关调优参数。
Within this time frame it could be possible that for some reason one of the participating databases crashes.
在这一时间间隔中，出于某种理由，其中某一参与数据库可能崩溃。
Some databases have a feature that allows you to configure multiple IP addresses for the same database.
有些数据库提供能够为数据库配置多个IP地址的功能。
If SAP's approach proves successful, the makers of software for relational databases could lose some of their clout.
如果SAP此举获得成功，关系数据库软件的制造商就会面临着失去部分市场份额的命运。
These two seemingly unrelated facts-the propensity for data to live in SQL databases and the popularity of XML for all data outside of a database-has created some unique problems, though.
两者看似无关，—数据往往保存在SQL数据库中，数据库之外的数据越来越多地采用xml格式—，但是却造成了一些独特的问题。
This includes Oracle databases, application servers, and Web servers, which provide some of the most critical computing functions for the business.
这包括Oracle数据库、应用服务器和Web服务器，它们提供一些对于企业最重要的计算功能。
Under the right conditions, for some applications, these databases can give organizations considerable competitive advantages over slower adopters.
对于某些应用程序而言，在适当的情况下，这些数据库能够让使用它们的公司相对于较慢的采用者，拥有更大的竞争优势。
Guardium has now added support for some of the most popular IBM database platforms, enabling organizations to protect sensitive databases while reducing it costs.
Guardium现在增加了对一些最流行的IBM数据库平台的支持，让组织能够保护敏感数据库并降低IT成本。
Compression ratios will vary, but a 2:1 ratio can be expected for most data types, and some, like Oracle databases, will compress even further.
压缩比会有所不同，但是大部分数据类型的预期压缩比可达到2：1，另外一些，例如Oracle数据库，则可以更进一步压缩。
If you have some experience modeling data for relational databases, you know that many-to-many relationships between different relational entities appear all the time.
如果您有关系数据库数据的建模经验，那么您就会知道不同关系实体之间的多对多关系随时会出现。
Like databases, MQ products, sometimes referred to as message-oriented middleware (MOM), have been around for quite some time.
和数据库相似，MQ产品有时被称为面向消息的中间件(MOM)，已经出现相当一段时间了。
Some systems still use old databases created in the '60s and' 70s with COBOL front ends, for example.
比如，一些系统仍然在使用被创建于60年代和70年代的数据库，并使用COBOL作为前端的编程语言。
Just as Lotus Domino has advantages as a platform for blogs, some features of the Notes client, such as replication of databases and unread marks, give it advantages as a platform for RSS readers.
就像是LotusDomino作为blog的平台具有一定的优势一样，Notes客户机的某些特性，例如数据库的复制和未读标记，都可以作为RSS reader平台的优点。
Taking the Shenzhen University Library as an example, the investment for databases has raised 2.3 times during 2006-2008, but some databases are relatively in low utilization.
以深圳大学图书馆为例，2006- 2008年图书馆对数据库的经费投入增长了2.3倍，但是某些数据库存在利用率偏低等问题。
Some databases have different functionality for primary key constraints.
对于主键约束，有些数据库具有不同的功能。
Some databases have different rules for primary key constraints.
对于主键约束，有些数据库具有不同的规则。
Some data sources maintain a directory specification for databases.
一些数据源维护数据库的目录规范。
For some reason, some of the databases not provided their readers need to collect samples.
由于一些原因，有些数据库不能提供，需要读者自己采集样本。
Some of the main protein family and domain databases are described here, along with their Web-based tools for analyzing domain architectures.
这里描述了一些主要的蛋白质家族和域数据库，连同分析域结构的基于网络的工具。
Some databases have different functionality for check constraints.
某些资料库有不同的检查条件约束功能。
It is the keystone of building the network databases' security system for us to make definite the sources and their dangers of potential safety problems, and then propose some specific solutions.
明确安全隐患的来源及其危害性，并提出针对性的解决方法，是网络数据库安全体系构建的重点。
This paper discusses the problem of developing and using medical multimedia resources on Internet, some medical multimedia databases are introduced, in order to work and study for doctors and nurses.
针对医学多媒体信息资源开发与利用中的相关问题进行探讨，并简要介绍互联网上的几个医学多媒体资源，满足医护人员工作、学习的需要。
There are several freely available SQL database servers for FreeBSD. These freely available databases are being used by some major organizations, including NASA.
提供了免费的SQL数据库服务，这些服务已经被很多组织采用(包括NASA)。
There are several freely available SQL database servers for FreeBSD. These freely available databases are being used by some major organizations, including NASA.
提供了免费的SQL数据库服务，这些服务已经被很多组织采用(包括NASA)。
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