Database model: Includes an entity relationship diagram for the databases the SOA USES.

数据库模型：包括SOA使用的数据库的实体关系图。

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In DM every property and relationship is declared in the model, and that is used as the authoritative source rather than the database.

在DM中，每一个属性和关系都是在模型中声明，然后作为可信的来源使用，而不是需要将这些属性关系存储到数据库中。

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In this model, we use an entity bean named PBUser which represents a user in the Personal Budget database. PBUser has one-to-one relationship reference with the following entity beans.

在此模型中，我们使用一个名为pbuser的实体Bean来代表Personal Budget数据库中的一个用户。

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Marc Benioff knew that Seibel had already started a river flowing of demand for a customer relationship management (CRM) database package for businesses, but they were a traditional software model.

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