整个数据库设计包括4个主要的表。
例如，它讨论逻辑和物理数据库设计。
For example, it discusses logical and physical database design.
数据库设计是高度可配置的。
PD B的数据库设计建议。
前一节所描述的数据库设计决策的益处。
The benefit of the database design decisions described in the previous sections.
建立用于数据库设计、创建和访问的过程。
Establish a process for database design, creation, and access.
该信息转换成逻辑的(或物理的)数据库设计。
This information gets transformed into a logical (or physical) database design.
这简化了存储估算，进而简化了物理数据库设计。
This simplifies the storage estimate that eases the physical database design.
这些特性有助于管理员更好地调整物理数据库设计。
Such features can help administrators fine-tune their physical database design.
要实现这个目标，应当全面了解数据库设计和应用程序。
To achieve that goal, you need a thorough understanding of the database design and applications.
使用存储过程有助于降低客户机对数据库设计的依赖性。
Using stored procedures can help to reduce client dependency on database design.
假设您很熟悉PHP，基本掌握数据库设计并喜欢实战。
It is assumed that you are familiar with PHP, have a fundamental grasp of database design, and are comfortable getting your hands dirty.
压缩数据库设计减少了存储设计元素所需的空间。
Compressing the database design reduces the space needed to store these design elements.
完全规范化的数据库设计在性能方面要受到质疑。
Fully normalized database designs may cause performance challenges.
通过与前面类似的迁移步骤，可以达到这些数据库设计目标。
You'll achieve these database design goals using migration steps very similar to those you used before.
清单3展示了来自这个非常简单的OR M数据库设计的模式。
Listing 3 illustrates the schema from this ultra-simple ORM database design.
解决—解决查询、数据库设计、以及数据库资源问题。
Solve - Resolve query, database design, and database resource issues.
要使用标签库，必须非常熟悉Domino架构和数据库设计。
To use the tag libraries, you must have intimate knowledge of the Domino architecture and the database design.
但糟糕的是，为这种数据仓库开发详细的数据库设计是很困难的。
Unfortunately, developing a detailed database design for such a warehouse can be challenging.
数据库设计的经验表明，模式作为避免编程错误的防护措施很有用。
Experience with database design shows that schemas are most useful as a safeguard against programming errors.
现在，您需要大致了解为什么要选择这种有些奇特的数据库设计方法。
Now, you need to briefly understand why one might take this quirky approach to database design.
数据库性能的最大问题可能源自于不良数据库设计和缺失索引。
Probably the biggest issues with database performance come as a result of poor database design and missing indexes.
正如此示例开始时所说的，必须建立用于数据库设计、创建和访问的过程。
As described at the start of this example, establishing a process for database design, creation, and access is required.
一个良好的数据库设计还需要在特定的项目需求级别上对细节做大量工作。
A lot of work goes into the details of a good database design at the level of specific project requirements.
最后，系统提供的新的函数和存储过程有助于简化数据库设计和维护工作。
Finally, new system-supplied functions and stored procedures simplify database design and maintenance efforts.
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。
For database design, you have to consider that the column sizes have to be defined in bytes, not in characters.
这就是从头开始创建一个项目并且不想从数据库设计开始创建时希望做的事情。
This is what you'd want to do if you were creating a project from scratch and had no database design to start from.
在应用程序开发阶段，使用这个数据库服务器实例进行数据库设计、开发和调优。
During the application development phase, you will use this database server instance to design, develop, and tune the databases.
DB 2性能远不止这一部分，它肯定要受到数据库设计以外的很多因素的影响。
DB2 performance consists of much more than that, and is certainly affected by many factors other than the design of the database.
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。
Managing data requires specific skills in many areas, such as backup and restore, database design, and choice of service provider.
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