For your DB, open phpMyAdmin (or whatever you use) and make a backup of the DB as normal.
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If your ORM framework offers facilities for modeling referential constraints, these are again defined both on your DB and in your application code.
如果OR M框架为引用限制的建模提供了便利的话，这些内容会在你的数据库和应用程序代码上重复定义。
If this is the case then here is a list of free or open source SQL editor tools for you to begin running SQL queries against your DB.
如果是这种情况然后在这里是一个免费或开源列表s QL编辑工具让你开始对你的数据库运行SQL查询。
To test your application, you first deploy the security deployment plan for your application, as defined in my-db-plan.xml, then you deploy your application.
要测试应用程序，首先要部署应用程序的安全性部署计划(在my - db - plan . xml中定义)，然后部署应用程序。
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