不能使用诸如引用完整性这样的数据库特性，也不能依赖于工具来基于列的名称发现这些关系。

You can't use database features such as referential integrity, and you can't rely on tools to discover the relationships based on the names of your columns.

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支持基于用户提供的模式验证 XML 数据，这使得应用程序开发人员和数据库管理员可以对 DB2 中存储的 XML 数据实施数据完整性约束。

Support for validating XML data based on user-supplied schemas, which allows application developers and database administrators to enforce data integrity constraints for XML data stored in DB2.

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数据完整性我们的MySQL数据库表格基于非事务性MyISAM引擎。

Data integrity Our MySQL database tables were based on the non-transactional MyISAM engine.

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