Focus areas for any database migration
对于所有数据库迁移都要关注的领域
Listing 1 shows the database migration for the Recipe application.
清单1显示了Recipe应用程序的数据库迁移。
Run the database migration as instance owner by running the db2 migrate db dbname command.
以实例所有者的身份，通过运行db 2migratedbdbname命令进行数据库迁移。
Supports object, data, and authorization migration in support of database migration scenarios.
通过支持对象、数据和授权迁移来支持数据库迁移场景。
The migration contains two major steps, the instance migration and the database migration.
迁移过程包括两大主要步骤，实例迁移和数据库迁移。
Database migration is a comprehensive activity as the volume of changes required might be huge.
数据库迁移是一种复杂的活动，因为可能需要做大量修改。
One of the key topics is backend database migration, specially stored procedure migration.
这其中一个关键部分就是后段数据库的移植，尤其是存储过程移植。
This application may be used for database migration, code generation from database schema etc.
这个应用程序也许用来迁移数据库或者根据数据库模式来生成代码，等等。
This isolation approach lets you continue with the database migration and resolve the issue later.
此分离方法，可以继续进行数据库迁移和以后解决这一问题。
Database migration activity is done to ensure that the same application layer is able to talk to a different RDBMS.
数据库迁移活动的目的是确保相同的应用程序层能够与另一个RDBMS交互。
Thus, the configuration of a replica database on which to run queries and extract reports should be a critical part of your database migration efforts.
因此，您执行查询和提取报告的复制数据库的配置是完成数据库迁移的关键部分。
All database objects and any piece of application code that talks to the database might require a change. The key focus areas for a database migration activity are.
所有数据库对象和与数据库交互的所有应用程序代码都可能需要修改。
Redhill Consulting provides a nice foreign_key_migrations plugin, which adds support for foreign keys within Rails' database migration framework; see Resources for a link to more info.
Redhill Consulting提供了一个很好的foreign_key_migrations插件，它增加了在Rail数据库迁移框架中对外键的支持；有关更多信息，请参看参考资料中的链接。
Second approach: in this case, DB2 is installed in a different directory than the previous version's directory. To do the instance migration and the database migration, follow these steps.
第二种方法：选择这种方法，要将DB 2安装在与前一版本不同的安装目录。
These built-in SQL functions can simplify the migration to IDS of applications that have been developed for other database servers.
这些内置的SQL函数可以简化为其它数据库服务器开发的应用程序的IDS的迁移。
If your migrations are correct, each migration leaves your database in a consistent state, with no manual intervention.
如果迁移正确，那么每个迁移都会把数据库置于一个一致的状态，不需要手工干预。
The focus is on application migration, but design, configuration, and operational considerations for a partitioned database is also covered.
其焦点在应用程序的迁移上，但同时也介绍了针对分区数据库的设计、配置和操作考虑。
This illustrates the BPC database schema or runtime data migration.
这演示了BPC数据库模式或运行时数据迁移。
It typically involves application layer porting, and database objects migration.
这通常涉及应用程序层移植和数据库对象迁移。
This illustrates the BPC database schema and runtime data migration.
这演示了BPC数据库模式或运行时数据迁移。
This greatly reduces the migration effort involved in modifying the scripts from different database vendors.
这大大减少了涉及修改不同数据库厂商的脚本的移植工作。
This permits easy table migration from one database to another.
这使得更易于将数据从一个数据库迁移到另一个数据库。
Gather the most important information about your current database and your environment prior to the migration (some useful scripts and examples are given).
在开始迁移之前，搜集有关当前数据库和环境的最重要信息(给出了一些有用的脚本和示例)。
Now, let's look at how Rails migration can facilitate the database schema evolution.
现在，让我们看看Rails迁移如何为数据库模式变更提供帮助。
Ruby on Rails migration solves some of the problems described above involving the database and data structure changes.
Rubyon Rails迁移可以解决前面描述的涉及数据库和数据结构更改的一些问题。
For example, consider a migration that merges first_name and last_name database columns to a single column called name.
例如，考虑这样一个迁移：把first_name和last_name这两个数据库列合并成叫作name的单一列。
This is the final step in migration of a database from a source to the Informix target.
这是将数据库从源迁移到Informix目标过程中的最后一步。
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。
Extended migration support to target DB2 Database for LUW v9 and v9.5.
扩展了对目标为 DB2Databasefor LUWv9 and v9.5 的迁移支持。
Extended migration support to target DB2 Database for LUW v9 and v9.5.
扩展了对目标为 DB2Databasefor LUWv9 and v9.5 的迁移支持。
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