The entity-relationship model has gained acceptance in database design and is widely used in practice.
实质- 联系的模型已经得到数据库的接收设计并且广泛地被用于练习。
Database integrity is one of the key issues in database design and development of database applications.
数据库完整性是数据库设计和数据库应用系统开发中的关键问题之一。
A method of applying structured system analysis (SSA) to requirements analysis in database design is introduced in this paper.
本文介绍一种将结构系铳分析法应用于数据库设计需求分析中的方法。
Various types of data and their mutual relationships are identified and modeled as classes by building class Diagrams in database design.
在系统的数据库分析设计中,通过绘制类图详细分析了各数据的属性以及数据间的关系。
Generally speaking, one feature cannot be used to address shortfalls or problems in database design related to another feature. Notable examples include.
通常来讲,一个特性不能用于解决数据库设计中与另外一个特性相关的不足或问题。
This article illustrates five common problems in database design, in the PHP code that accesses databases, and how to fix these problems when you see them.
本文说明了数据库设计和访问数据库的PHP代码中出现的五个常见问题,以及在遇到这些问题时如何修复它们。
In database design, identification of database and supporting software of CAC-HRMIS are given, the logic and physical design of database is carried out.
在数据库结构设计部分,依次给出了CAC -HRMIS数据库的标志符、支持软件,并进行了数据库的逻辑设计和物理设计。
I would argue that such a pattern actually achieves better orthogonality in database design than does the more common strategy of identifying suitable "real world" data.
我不认为这样的模式在数据库设计中能够实际达到比标识适合“现实世界”数据的更常用策略更好的正交性。
This paper introduces the appliance of anti-normalization in database design, which gives some examples based on the implement of anti-normalization to optimize the database design.
本文在简要介绍了数据库中反规范化的应用后,详细地举出了一个用反规范化设计的数据库来讨论如何通过反规范化进行数据库设计优化。
For database design, you have to consider that the column sizes have to be defined in bytes, not in characters.
对于数据库设计,必须考虑到列大小是按照字节数定义的,而不是按照字符数。
Second, it makes the relations and their semantics explicit, whereas in a standard database schema many relations are implicit in design of the schema.
其次,它使关系和它们的语义变成显式的,而在标准的数据库模式中许多关系隐含在模式的设计中。
This means you need to design the database system in such a way that you divide the database tables into modularized and optimized partitions of two types — static and dynamic.
这就意味着您需要以这样的方式设计数据库系统,即将数据库表划分成两种类型——静态和动态——的模块化、最优化部分。
Managing data requires specific skills in many areas, such as backup and restore, database design, and choice of service provider.
数据管理涉及多种领域的专门技术,比如备份和恢复、数据库设计、服务提供商选择。
Having these data persistent in the program design database enables you to regenerate the configuration file whenever you need and to redeploy as necessary.
这些参数值存储在程序设计数据库中,以后可以根据需要重新生成配置文件并重新部署。
It is assumed that you already know PHP, application design, and how to work in a database.
假定您已经了解PHP、应用程序设计,以及如何在数据库中工作。
What approach should you take in relation to database design?
应当采取哪些方法来进行数据库设计?
In the database design above, according to the needs, I design role table, users table, document table, department table, message table, employ table.
在数据库的设计上面,根据系统的需要,设计了角色表、用户表、部门表、文档表、员工表、短信表。
There are many topics not covered here that are also fundamental in delivering a good data warehouse solution, including system and database design, administration, performance tuning, and others.
有许多主题未在本文中进行介绍,但它们同样是交付良好数据仓库解决方案的基础,包括系统和数据库设计、管理、性能调优等。
The result of mapping in design time are typically federated views, similar to relational database views, which then can be deployed or created on the federation server.
设计时的映射结果通常为联合视图,与关系数据库视图类似,可以随后在联合服务器上进行部署或创建。
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。
Often a slight degradation in performance is well worth the reduced complexity of administering and maintaining a simpler database design.
通常,为了降低管理和保持一个较为简单的数据库设计的复杂性,稍微降低一点性能是值得的。
As Figure 4 shows, DPF is a physical database design option that USES multiple separate database partitions in a multi-processing environment.
如图4所示,DPF是一种物理数据库设计选项,它在一个多处理环境中使用多个单独的数据库分区。
I offer this idea here not so much in the mindset of "Do it this way, rather than in a database," but as a design alternative you can use — or not use, as you choose.
在这里提供这个思路并不是建议您“采用这种方式,而不使用数据库”,这只是一种可供选择的方式,是否采用它由您决定。
And the structure of that database is really got a lot of arbitrary design constraints in it — arbitrary design decisions.
而这样的数据库结构涉及许许多多的随机设计约束——随机的设计决策。
The benefit of the database design decisions described in the previous sections.
前一节所描述的数据库设计决策的益处。
Thoughtful database design can offer significant performance benefits, but it must begin early in the application development process.
考虑周详的数据库设计可以提供巨大的性能收益,但是这必须在应用程序开发过程的早期便开始着手。
Elements are as important in XML design as classes in object design or entities in relational database design.
元素对于XML设计的重要性,类似于对象设计中的类和关系数据库设计中的实体。
When you start to get into even intermediate complexity in your relational database, you'll design things differently than you would with an object model.
即便是中等复杂程度的关系数据库,设计的东西也和对象模型不同。
In this attack, an attacker USES weaknesses in the design of the database or Web page to extract information or even manipulate information within the database.
在这种攻击中,攻击者利用数据库或web页面的设计缺陷从数据库提取信息,甚至操纵数据库的信息。
In this attack, an attacker USES weaknesses in the design of the database or Web page to extract information or even manipulate information within the database.
在这种攻击中,攻击者利用数据库或web页面的设计缺陷从数据库提取信息,甚至操纵数据库的信息。
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