Because of a merger of several Banks, the database data model requires some significant changes.
由于几家银行的合并，数据库数据模型需要进行一些显著的修改。
Data model definition and database setup for our application.
为应用程序定义数据模型和设置数据库。
They capture the core data model from the database and also the business rules that apply to this data.
它们从数据库捕获核心数据模型以及应用于这些数据的业务规则。
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