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Diagram Components - Relationship (Definition)

Relationship represents the relationship between entities and is the format, behavior, or event existing between two entities.

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Diagram Components-Attribute

An instance (record) within an entity can have only one value for each attribute. The attribute can be classified into the basic attribute derived primarily in the work analysis stage, the design attribute derived from design stage, and derived attribute calculated or modified from another attribute...

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Diagram Components-Entity

The entity is represented by a table in the database and must satisfy the following conditions.It must be information to be managed in the work you wish to develop a system for.The instance (record) constituting the entity must be identifiable by the unique discriminator.It must have two or more ins...

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