了解和执行数据库迁移。

Understand and perform database migration.

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为新的会话表创建数据库迁移。

Create migration for your new sessions table.

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数据库迁移是一个很好的方式去处理这些混乱的情况。

Database migrations are a great way to regain control of this mess.

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必要的话，迁移数据库。

Transfer database if necessary.

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单击Run将数据迁移到测试数据库。

Click Run to migrate the data to the test database.

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要准确地看到迁移做的工作，只需运行迁移并查看数据库。

To see exactly what the migration does, just run it and look at the database.

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数据迁移是管理信息系统和数据库系统开发中常遇到的问题。

Data transfer is common in the development of management information system and database system.

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数据迁移是管理信息系统和数据库系统开发中常遇到的问题。

Data transfer is common in the development of management information system and database system.

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