relational database

美 　英

• n.關(guān)系數(shù)據(jù)庫
• 網(wǎng)絡(luò)關(guān)聯(lián)式資料庫；關(guān)系型數(shù)據(jù)庫；關(guān)聯(lián)數(shù)據(jù)庫

詞形變化

復(fù)數(shù)：relational databases  

英漢雙解

英漢解釋

un.	1. 關(guān)系數(shù)據(jù)庫

英英解釋

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.

第二章的開端引見了關(guān)系型數(shù)據(jù)庫的根本概念，著重闡明了幾個(gè)關(guān)鍵概念的定義。

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

在將對(duì)象保存到關(guān)系數(shù)據(jù)庫中時(shí)，繼承的概念中發(fā)生幾個(gè)有趣的問題。

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

更嚴(yán)重的是，SQL注入是攻擊者能夠完全控制關(guān)系型數(shù)據(jù)庫的攻擊手段之一。

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

本教程專門為水平在中低級(jí)之間的關(guān)系數(shù)據(jù)庫專業(yè)人員編寫的。

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

PHP與流行的開放源代碼關(guān)系數(shù)據(jù)庫管理系統(tǒng)（RDBMS）MySQL之間總是很有默契。

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

同樣的概念在關(guān)系數(shù)據(jù)庫中也存在，用來進(jìn)行鏈接的列叫做鍵列（keycolumn）。

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

這通常是仿效關(guān)系數(shù)據(jù)庫中可擴(kuò)展性的結(jié)果。

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

在關(guān)系數(shù)據(jù)庫系統(tǒng)的實(shí)現(xiàn)中，對(duì)不完全信息的處理通常采用三值邏輯。

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

和關(guān)系數(shù)據(jù)庫中的連接運(yùn)算一樣，結(jié)構(gòu)連接順序的選擇是XML數(shù)據(jù)庫查詢優(yōu)化的核心。

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

應(yīng)用程序和數(shù)據(jù)庫層之間的聯(lián)接通常采用關(guān)系數(shù)據(jù)庫中的SQL調(diào)用格式。

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

通過在關(guān)系型數(shù)據(jù)庫中所嵌入的版權(quán)信息，從而實(shí)現(xiàn)數(shù)據(jù)庫的版權(quán)保護(hù)。

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

在這些情況下，關(guān)系數(shù)據(jù)庫的抽象化程度可能會(huì)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.

我們在關(guān)系型數(shù)據(jù)庫中完成了被稱為“SoftNUMA”的技術(shù)，它通過端口映射在系統(tǒng)內(nèi)部得以獲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?

雖然該數(shù)據(jù)可以存儲(chǔ)在關(guān)系數(shù)據(jù)庫中，但也同樣可以使用面向文檔的模型。

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.

填充表格的數(shù)據(jù)通常存儲(chǔ)在關(guān)系型數(shù)據(jù)庫中，在輸出的表格中，必須將它們顯示在準(zhǔn)確的位置上。

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

iBATISSQLMaps框架提供了一種在Java對(duì)象和相關(guān)數(shù)據(jù)庫之間移動(dòng)數(shù)據(jù)的簡(jiǎn)單方法。

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

關(guān)系數(shù)據(jù)庫的一種優(yōu)勢(shì)是能夠聯(lián)系或關(guān)聯(lián)數(shù)據(jù)庫中各個(gè)項(xiàng)目的有關(guān)信息。

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

不過，請(qǐng)不要擔(dān)心，因?yàn)?/c>本文中的算法和正則表達(dá)式構(gòu)建代碼可以很容易適應(yīng)關(guān)系數(shù)據(jù)庫環(huán)境。

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

通常，模塊也會(huì)訪問底層數(shù)據(jù)庫，因此，關(guān)系數(shù)據(jù)庫和SQL方面的經(jīng)驗(yàn)也會(huì)對(duì)您有所幫助。

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

這些文件可能按順序存儲(chǔ)業(yè)務(wù)信息，這并不像關(guān)系數(shù)據(jù)庫中的業(yè)務(wù)信息那樣富有條理。

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

罰單的數(shù)據(jù)點(diǎn)可以在關(guān)系數(shù)據(jù)庫中建模，但詳細(xì)信息卻有點(diǎn)麻煩。

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

下面討論一下ZODB和關(guān)系數(shù)據(jù)庫之間的其他主要區(qū)別：ZODB對(duì)象完全缺乏任何模式規(guī)范。

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

在2005年，曾經(jīng)為PDB開發(fā)過這樣的一個(gè)關(guān)系數(shù)據(jù)庫模式，如圖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.

另一個(gè)組件是Cloudscape數(shù)據(jù)庫，其實(shí)質(zhì)上是用于本地數(shù)據(jù)存儲(chǔ)的最小關(guān)系數(shù)據(jù)庫。

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

作為一名關(guān)系數(shù)據(jù)庫程序員，我的首選是使用關(guān)系數(shù)據(jù)庫系統(tǒng)保存這些XML文檔。

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

人們普遍認(rèn)為MySQL是當(dāng)前可用的性能最好的開放源代碼企業(yè)級(jí)Linux關(guān)系數(shù)據(jù)庫服務(wù)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.

要為我們的系統(tǒng)實(shí)現(xiàn)一個(gè)使用關(guān)系數(shù)據(jù)庫的dictionary，每個(gè)單詞及其同義詞都將存儲(chǔ)在行中。

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

管理這樣一個(gè)關(guān)系在概念上同現(xiàn)代關(guān)系數(shù)據(jù)庫技術(shù)中的關(guān)系建模相似。

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

它還允許創(chuàng)建顧客和部件目錄，而完全不需要訪問關(guān)系數(shù)據(jù)庫。

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

當(dāng)緩存XML信息時(shí)，可以選擇將轉(zhuǎn)換輸出存儲(chǔ)到本機(jī)文件或某個(gè)關(guān)系型數(shù)據(jù)庫中。

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

由于BigTable不是一個(gè)關(guān)系數(shù)據(jù)庫，JDO和JPA的接口出現(xiàn)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.

各種Web應(yīng)用程序的主要設(shè)計(jì)工作中的一個(gè)重要部分就是用來存儲(chǔ)應(yīng)用程序數(shù)據(jù)的關(guān)系數(shù)據(jù)庫的設(shè)計(jì)。

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框架有助于極大地減少訪問關(guān)系數(shù)據(jù)庫通常所需的Java代碼量。

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

盡管本文的目的不是要詳細(xì)地解釋關(guān)系數(shù)據(jù)庫如何運(yùn)作，但做一個(gè)簡(jiǎn)短的概述還是適宜的。

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

但是，假設(shè)此時(shí)正在從關(guān)系數(shù)據(jù)庫中按需要取出信息。

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

ORM工具讓您可以配置關(guān)系數(shù)據(jù)庫內(nèi)的數(shù)據(jù)元素與Java對(duì)象屬性之間的映射。

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

根據(jù)系統(tǒng)的設(shè)計(jì)，規(guī)則可被存儲(chǔ)在關(guān)系數(shù)據(jù)庫內(nèi)，也可存儲(chǔ)為XML文件。

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

首先存取一個(gè)關(guān)系數(shù)據(jù)庫（為了創(chuàng)建這些對(duì)象）時(shí)間開銷很大。

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

用于訪問、查詢、更新和管理關(guān)系數(shù)據(jù)庫系統(tǒng)中的數(shù)據(jù)的語言。

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

用于在關(guān)系數(shù)據(jù)庫中插入、檢索、修改和刪除數(shù)據(jù)的一種語言，專為數(shù)據(jù)庫查詢設(shè)計(jì)。