Database design recommendations for PDB.
PD B的数据库设计建议。
Establish a process for database design, creation, and access.
建立用于数据库设计、创建和访问的过程。
For example, it discusses logical and physical database design.
例如，它讨论逻辑和物理数据库设计。
Solve - Resolve query, database design, and database resource issues.
解决—解决查询、数据库设计、以及数据库资源问题。
Listing 3 illustrates the schema from this ultra-simple ORM database design.
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。
This simplifies the storage estimate that eases the physical database design.
这简化了存储估算，进而简化了物理数据库设计。
This information gets transformed into a logical (or physical) database design.
该信息转换成逻辑的(或物理的)数据库设计。
Such features can help administrators fine-tune their 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。
Using stored procedures can help to reduce client dependency on database design.
使用存储过程有助于降低客户机对数据库设计的依赖性。
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。
Compressing the database design reduces the space needed to store these design elements.
压缩数据库设计减少了存储设计元素所需的空间。
Unfortunately, developing a detailed database design for such a warehouse can be challenging.
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。
Database model: Encapsulates a logical and physical database design for this specific project.
数据库模型：封装供此特定项目使用的逻辑和物理数据设计。
Now, you need to briefly understand why one might take this quirky approach to database design.
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。
To achieve that goal, you need a thorough understanding of the database design and applications.
要实现这个目标，应当全面了解数据库设计和应用程序。
You should have a basic understanding of Web servers, server-side programming, and database design.
您应该对Web服务器、服务器端编程和数据库设计有基本的认识和了解。
Plus, if the XML message is updated, no additional database design or application changes are needed.
另外，即使更新了XML消息，也不需要再设计数据库或更改应用程序。
You'll achieve these database design goals using migration steps very similar to those you used before.
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。
I will mention a few features of DB2 V8 that can influence database design from a performance standpoint.
我将提到DB 2V8的一些新特性，从性能的角度来看，这些新性能可能会影响数据库设计。
A lot of work goes into the details of a good database design at the level of specific project requirements.
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。
Experience with database design shows that schemas are most useful as a safeguard against programming errors.
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。
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。
Finally, new system-supplied functions and stored procedures simplify database design and maintenance efforts.
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。
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。
This is what you'd want to do if you were creating a project from scratch and had no database design to start from.
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。
Probably the biggest issues with database performance come as a result of poor database design and missing indexes.
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。
Before we discuss the DB2 database design for the PDB, it is helpful to understand the PDB data a little bit better.
在我们探讨pdb的DB 2数据库设计之前，了解一下PD B数据将会很有帮助。
Using a typical star schema database design, a fact table might contain sales data by product, region, and time period.
按照典型的星型数据库设计，一个事实表包含按产品、地区和时间段排序的销售数据。
In some cases, you may have to unload the tables, delete all the data, change the database design, then reload the data.
在某些情况中，您还需要删除表以及表中的所有数据，修改数据库的设计，然后重新加载数据。
As described at the start of this example, establishing a process for database design, creation, and access is required.
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。
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