Execute the following commands on the standby server (Node3) to make this database the standby database for the HADR setup.
在备用服务器(Node3)上执行以下命令，让这个数据库成为HADR设置的备用数据库。
Execute the following commands on the database of the active node of the cluster (Node1 in this case) to make this database the primary database for the HADR setup.
在集群的主动节点(在这个示例中是Node1)的数据库上执行以下命令，让这个数据库成为HADR设置的主数据库。
However, as with database identity projection, if you are willing to write some custom code, you can make this work.
不过，和处理数据库标识保护一样，如果您愿意编写一些自定义代码，就可以实现此功能。
This will make the updated schema apply to the user database.
这就使得更新后的方案适用于用户数据库。
If you do this, you'll need to make provisions for the database connections from the application servers to the database servers.
如果您这样做的话，那么将需要提供从应用程序服务器到数据库服务器的数据库连接。
But if your database scenario is complex and you cannot avoid character conversion, this knowledge will help you make the process as smooth as possible.
但是如果您的数据库场景十分复杂，您无法避免字符转换，那么本文的知识将帮助您尽可能顺利地完成该过程。
However, in a production application, you should modify this to make the data source information - such as the name of the database - more dynamic.
不过，在生产应用程序中，应该对之进行修改以使数据源信息—比如数据库名—更为动态。
This article provides a guide to using the new enhancements to DB2 9.7 that enable you to make online changes to the database schema.
本文提供了有关使用DB 2 9.7新增强的指南，使您能够对数据库模式进行在线更改。
Within this migration's up method, you'd place all of the code necessary to make one logical database change.
在这个迁移的up方法中，要放置进行一个逻辑数据库变化所需的全部代码。
Doing so creates a database on disk called test.tdb and opens it so that any changes you make in this session will be on that file.
这样做可以在磁盘上创建名为test . tdb的数据库并打开它以便您在此会话中进行的任何变更都在该文件上。
To make this happen, I created a small database to hold the to-do items.
为了实现这个功能，我创建了一个小型的数据库用来保存to - do项。
If you had a database table that you wanted to make sure was available only to your Web application components and not to any other components or applications, this would be ideal.
如果希望确保某个数据库表仅能够用于您的Web应用程序组件，而不是能够用于其他任何组件或应用程序，则此类方法较为理想。
Now that you can connect to the database to retrieve data and show it in the TDBGrid, it's very tempting to make changes to this data.
既然您可以连接数据库来检索数据，并可以在TDBGrid中进行显示，就必定非常希望能对数据进行更改。
The examples in this article make use of MySQL's sample world database, which provides various pre-populated and linked tables containing city and country data.
本文中的例子使用MySQL的示例数据库world，其中包含了各种预填充的链接表，表中存储了城市数据和国家数据。
You can make this selection in the Database properties window, as shown in figure 11.
可以在Database属性窗口中选择该选项，如图 11 所示。
To make this happen, the 2-phase-commit protocol was invented (see Principles of Distributed Database systems in Resources) and is also implemented in various systems.
为确保这一点，两步提交协议(请参阅参考资料中的分布式数据库原理)被提出且在各种系统中实现。
I showed you how you can load data into the WEKA API (and recommended you spend some time to write a nice wrapper around your database, to make this overly complex process easier).
我向您展示了您如何能将数据载入此wekaAPI(并且建议您花些时间围绕您的数据库编写一个漂亮的包装程序以便让这个过于复杂的过程简单一些)。
The user applications will have to make new connections to this activated standby database.
而用户应用程序必须重新建立到这个被激活的备用数据库的连接。
If you determine that this is an existing user attempting to log in, make sure the user exists in the database.
如果您确定这是一个现有用户想要的登录，确保用户名是存在数据库中。
This function attempts to make a database connection to the specified database located on a specified host with proper credentials.
这个函数尝试用正确的凭证连接位于指定主机上的指定数据库。
This guideline is intended to make use of XML technology to extend the database efforts that preceded it.
这条指导原则有意利用XML技术来扩展领先它的数据库。
This is in contrast to some other database-mapping tools that make a database row act like a dictionary.
这与其他一些将数据库行当作字典的数据库映射工具相反。
This technique is slow, difficult to maintain, and doesn't make good use of the database.
该技术很慢，难以维护，且没有很好地利用数据库。
It will also make use of this same primary key to perform JOIN operations when accessing the database.
在访问数据库时，它还会利用同一主键执行join操作。
I talked to several database vendors on the exhibit floor and attended several more XQuery presentations to try to make some sense of this.
我与展区内的一些数据库提供商进行了交谈，也参加了另外一些有关XQuery的演讲，以加深对它的理解。
On the other hand, if you're working with a huge data set (data mining, or database operations), having access to a much larger data cache may quite easily make up for this.
另外一方面，如果您要处理大量数据集(数据挖掘或数据库操作)，访问更大的数据缓存，那么对于64位模式来说这非常容易。
It's great that you have freedom of choice in the parts and plumbing (back-end database, Web UI, middleware), but this means you have to make sure they work well together.
最好可以自由选择各个组件(后端数据库、WebUI、中间件，等等)，但是这意味着您必须确保这些组件可以一起很好地工作。
It's great that you have freedom of choice in the parts and plumbing (back-end database, Web UI, middleware), but this means you have to make sure they work well together.
最好可以自由选择各个组件(后端数据库、WebUI、中间件，等等)，但是这意味着您必须确保这些组件可以一起很好地工作。
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