Troubleshoot problems: You can learn more about how to troubleshoot common problems with database unit testing.
排除问题：可以详细了解如何排除数据库单元测试的常见问题。
It is not advisable to use simple file-based databases like Cloudscape or Derby as a database management system for WebSphere Process Server, other than for the purpose of unit testing.
不建议使用Cloudspace或Derby这样的基于文件的简单数据库作为WebSphereProcessServer的数据库管理系统，单元测试除外。
If you're using ActiveRecord for your database backing, you will likely do all of your unit tests with database-backed testing.
如果为数据库支撑使用了ActiveRecord，则很可能会用受数据库支撑的测试进行所有的单元测试。
If you're using ActiveRecord for your database backing, you will likely do all of your unit tests with database-backed testing.
如果为数据库支撑使用了ActiveRecord，则很可能会用受数据库支撑的测试进行所有的单元测试。
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