Database - Data Modeling with ER Model
Exercise : Data Modeling with ER Model - True or False
- Data Modeling with ER Model - General Questions
- Data Modeling with ER Model - True or False
16.
An entity class is a collection of entities and is described by the structure of the entities in that class.
17.
Relationship classes are associations between entity classes.
18.
An identifier typically uses more than one attribute.
19.
An identifier determines the type of relationship that an entity has.
20.
A recursive relationship is a relationship between an archetype and an instance of that archetype.
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