Master this deck with 12 terms through effective study methods.
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A method to simplify complex database designs.
Entities, attributes, relationships, and constraints.
A subject about which data is collected.
Attributes describe characteristics of entities.
One entity can relate to multiple instances of another.
Policies that govern data usage within an organization.
They dictate how data should be structured and managed.
They organize data to meet diverse user needs.
Designs may not reflect the organization's operations.
A restriction placed on data attributes.
They range from high-level conceptual to detailed physical models.
It allows for progressive refinement of database designs.