The Entity Relationship Model

Опубликовано: 11 Июль 2026
на канале: Data Hikes
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Topics:
1. Purpose of the ER Model
2. Entity
a. Strong Entity
b. Weak Entity
3. Attributes
a. Types of Attributes
4. Relationships
a. Degrees of relationships
b. Cardinality of relationships
c. Participation Constraints
5. Summary