relational database

relational database

美 　英

• n.关系数据库
• 网络关联式资料库；关系型数据库；关联数据库

词形变化

复数：relational databases  

英汉双解

英汉解释

un.

1. 关系数据库

英英解释

n.	1. a computer database that allows information to be stored and found in various ways

例句

The beginning of the second chapter introduces the basic concept of a relational database, the focus on a few key definition of the concept.

第二章的开端引见了关系型数据库的根本概念，着重阐明了几个关键概念的定义。

The concept of inheritance throws in several interesting twists when saving objects into a relational database.

在将对象保存到关系数据库中时，继承的概念中发生几个有趣的问题。

What's more, SQL injection is one of many common avenues of assault that allows attackers to take complete control of a relational database.

更严重的是，SQL注入是攻击者能够完全控制关系型数据库的攻击手段之一。

This tutorial is written for relational database professionals whose skills and experience are at a beginning to intermediate level.

本教程专门为水平在中低级之间的关系数据库专业人员编写的。

PHP has always had something of a love affair with the popular open source relational database management system (RDBMS) known as MySQL.

PHP与流行的开放源代码关系数据库管理系统（RDBMS）MySQL之间总是很有默契。

The same idea holds in a relational database, and the column used to make the link is referred to as a key column.

同样的概念在关系数据库中也存在，用来进行链接的列叫做键列（keycolumn）。

This is often a result of emulating extensibility in a relational database.

这通常是仿效关系数据库中可扩展性的结果。

When a relational database system is implemented, three-valued logic is usually adopted to handle incomplete information.

在关系数据库系统的实现中，对不完全信息的处理通常采用三值逻辑。

As join operation to relational database, structural join order selection is at the heart of query optimization in an XML database.

和关系数据库中的连接运算一样，结构连接顺序的选择是XML数据库查询优化的核心。

The linkage between the application and database tiers typically takes the form of SQL calls into a relational database.

应用程序和数据库层之间的联接通常采用关系数据库中的SQL调用格式。

Ownership protection of a relational database is implemented, by embedding the ownership information into a relational database.

通过在关系型数据库中所嵌入的版权信息，从而实现数据库的版权保护。

In these cases, the abstractness of a relational database might be a bit much.

在这些情况下，关系数据库的抽象化程度可能会稍高一些。

The main thing done in the relational database was to use "soft NUMA" and port mapping to get a good distribution of work within the system.

我们在关系型数据库中完成了被称为“SoftNUMA”的技术，它通过端口映射在系统内部得以获得良好的分布式工作效果。

Although this data could be stored in a relational database, it fits well with the documented-oriented model too, don't you think?

虽然该数据可以存储在关系数据库中，但也同样可以使用面向文档的模型。

The data to populate these forms is often stored in a relational database which needs to be rendered in an exact position on the form.

填充表格的数据通常存储在关系型数据库中，在输出的表格中，必须将它们显示在准确的位置上。

The iBATIS SQL Maps framework provides a simple means of moving data between Java objects and a relational database.

iBATISSQLMaps框架提供了一种在Java对象和相关数据库之间移动数据的简单方法。

One of the strengths of a relational database is the ability to relate or associate information about various items in the database .

关系数据库的一种优势是能够联系或关联数据库中各个项目的有关信息。

Have no fear, as the algorithms and regular-expression building code here are easily adaptable to your relational database environment.

不过，请不要担心，因为本文中的算法和正则表达式构建代码可以很容易适应关系数据库环境。

Typically, a module also accesses an underlying database. Some experience with a relational database and SQL is helpful, as well.

通常，模块也会访问底层数据库，因此，关系数据库和SQL方面的经验也会对您有所帮助。

These files might store business information sequentially, not structured as business information would be in a relational database.

这些文件可能按顺序存储业务信息，这并不像关系数据库中的业务信息那样富有条理。

A ticket's data points can be modeled in a relational database, but the details get a bit hairy.

罚单的数据点可以在关系数据库中建模，但详细信息却有点麻烦。

Now for the other big difference between the ZODB and a relational database: ZODB objects completely lack any schema specification.

下面讨论一下ZODB和关系数据库之间的其他主要区别：ZODB对象完全缺乏任何模式规范。

Such a relational database schema for the PDB was developed in 2005 and is shown in Figure 2.

在2005年，曾经为PDB开发过这样的一个关系数据库模式，如图2所示。

Another component is a Cloudscape database, which is essentially a small footprint of the relational database used for the local data store.

另一个组件是Cloudscape数据库，其实质上是用于本地数据存储的最小关系数据库。

As a Relational Database programmer, my first choice was to use a Relational Database System to save these XML documents.

作为一名关系数据库程序员，我的首选是使用关系数据库系统保存这些XML文档。

MySQL is widely accepted as one of the best performing Open Source enterprise-class Linux relational database servers available today.

人们普遍认为MySQL是当前可用的性能最好的开放源代码企业级Linux关系数据库服务器之一。

To implement a dictionary using a relational database for our system, each word and its synonyms would be stored in a row.

要为我们的系统实现一个使用关系数据库的dictionary，每个单词及其同义词都将存储在行中。

The ability to manage such a relationship is similar in concept to relationship modeling in modern relational database technology.

管理这样一个关系在概念上同现代关系数据库技术中的关系建模相似。

This also allows you to create customer and part catalogs without accessing the relational database at all.

它还允许创建顾客和部件目录，而完全不需要访问关系数据库。

When you cache the XML transformation, you store the transformation output to a local file or to some relational database of choice.

当缓存XML信息时，可以选择将转换输出存储到本机文件或某个关系型数据库中。

The JDO and JPA interfaces present some leaky abstractions due to the fact that BigTable is not a relational database.

由于BigTable不是一个关系数据库，JDO和JPA的接口出现了一些抽象泄漏。

A major part of the design of a multitier Web application is the design of the relational database that the application's data is stored in.

各种Web应用程序的主要设计工作中的一个重要部分就是用来存储应用程序数据的关系数据库的设计。

The SQL Maps framework will help you to significantly reduce the amount of Java code that you normally need to access a relational database.

SQLMaps框架有助于极大地减少访问关系数据库通常所需的Java代码量。

Even though the goal of this article is not to explain how a relational database works in detail, a brief overview is in order.

尽管本文的目的不是要详细地解释关系数据库如何运作，但做一个简短的概述还是适宜的。

Assume for the moment, however, that the information is being pulled on demand from a relational database.

但是，假设此时正在从关系数据库中按需要取出信息。

ORM tools allow you to configure the mapping between data elements in a relational database with Java object properties.

ORM工具让您可以配置关系数据库内的数据元素与Java对象属性之间的映射。

Rules can be stored in a relational database or as XML files, depending on the design of the system.

根据系统的设计，规则可被存储在关系数据库内，也可存储为XML文件。

First accessing a relational database (for creating these objects) can be very time expensive.

首先存取一个关系数据库（为了创建这些对象）时间开销很大。

The language used for accessing, querying, updating, and managing data in relational database systems.

用于访问、查询、更新和管理关系数据库系统中的数据的语言。

A language used to insert, retrieve, modify, and delete data in a relational database, designed specifically for database queries.

用于在关系数据库中插入、检索、修改和删除数据的一种语言，专为数据库查询设计。