Rare card
Entity–relationship model
- Value
- 50 W
- Attack
- 270
- Defence
- 216
- Players
- 0
An entity–relationship model (or ER model) describes interrelated things of interest in a specific domain of knowledge. A basic ER model is composed of entity types (which classify the things of interest) and specifies relationships that can exist between entities (instances of those entity types).
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