More specifically, you saved a form into a DB2 V9 database, preserving its XML-based data instance structure.

更确切地说是如何将表单保存到 DB2 V9 数据库中，同时保持其基于 XML 的数据实例结构。

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All the tables in the database are normalized to a 3rd normal Form (3nf), so we can start creating our database structure based on the above ERD.

数据库中的所有表都按第三范式(3rd Normal Form, 3nf)进行了标准化，所以我们可以开始创建基于前面的ERD的数据库结构。

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So unlike other database approaches which only implicitly can form a graph structure a graph database explicitly represents a graph.

所以说，与那些只能间接构成图架构的数据库不同，图形数据库可以明确地表示图。

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