Entity-Relationship Weakness

Edit Answers
1234567
Across
  1. 1. When optional participation exist in a relationship, it might lead to this kind of trap
  2. 3. What is the terminology used for “Entity” in UML diagram
  3. 6. One of the new concept of EER compared with ER
  4. 7. Both chasm and fan trap are problems related to ………
Down
  1. 2. Why is fan trap a problem with ER models
  2. 4. The domain that mostly requires UML diagram to model the product
  3. 5. When a condition of the data can not be represented by the ER model, it is an example of ………. Constraint