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The Database Development Process
With an enterprise data model, it is much easier to build applications because you know exactly what data exist and what needs to be added.
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The Database Development Process
Enterprise data modeling typically occurs during information systems planning.
There is one physical schema for each logical schema.
One of the most popular systems development life cycle methods is prototyping.
The physical database design identifies data integrity and security requirements.
The longest step of database development is database maintenance.
During logical database design, the conceptual data model is transformed into a logical data model which describes the data in terms of a specific data management technology.
Functional decomposition is the process of breaking down the functions of an organization into greater levels of detail.
A conceptual schema is usually depicted in graphical format using E-R or object-modeling notations.
There are three stages involved when analyzing the initiation of an information systems project.
The goal of information systems planning is to align information technology with the business strategies of the organization.
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