Packaged data models can reduce implementation times and costs.

More Questions from The Database Development Process

• The systems development life cycle cannot be used with database implementation.
• 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.
• 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.

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