Automatic migration happens when a model is opened: as shown in Figure 2, if the system detects that an older version of the profile is applied, it will prompt you to perform the migration.

当一个模型打开时就会发生自动迁移：如图2所示，如果这个系统检测到使用了旧版本的概要文件，它将提示您执行迁移。

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It also has a nice feature called automatic schema migration, which automatically modifies a database table based on differences JBoss finds with a newly deployed application.

它还有一个很棒的功能，称为自动模式迁移，该功能根据JBoss用新部署的应用程序所发现的差别自动修改数据库表。

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The manual update is a required step in the migration project to address the missing features that automatic conversion can not fulfill. There are a few steps required.

手动更新是迁移项目中的必要步骤，它用于解决自动转换无法实现的缺失功能。

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