Entity Relationship Model

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Across
  1. 2. ____ attribute has calculated from other attributes.
  2. 3. some entities may not participate in any relationship in the relationship set.
  3. 6. Weak entity relationship set is indicated by a______
  4. 7. ____ relationship is the relationship between three different entities
  5. 10. a weak entity set is the set of attributes that
  6. 12. an entity can be a member of only one of the subclasses of the specialization.
  7. 15. It represents the number of records of another entity set that are connected to an
  8. 17. the same entity can be a member of more than one sub-class of the specialization.
  9. 20. is a thing, object, or person in the real world that is distinguishable
  10. 22. Students learns subject is having___ type of mapping cardinality
  11. 24. every entity in the entity set participates in at least one relationship in the relationship set.
  12. 25. ____ attribute that is used to uniquely identify each and every row
  13. 26. Entity connected with entity
  14. 27. distinguishes between all the entities of a weak entity set.
Down
  1. 1. A bottom-up design process that combines a number of entity sets that have the same features into a higher-level entity set.
  2. 4. __ attribute can be divided into sub parts.
  3. 5. using a relationship set.
  4. 6. A relationship may also have attribute like entity.
  5. 8. is an association (connection) between two or more entities.
  6. 9. all other objects
  7. 11. is an entity that is derived from another entity.
  8. 13. Citizen and Aadhar card detail is having___ type of mapping cardinality
  9. 14. _____ relationship exists when an association is maintained within a single entity.
  10. 16. ___ relationship exists when two entities are associated
  11. 18. Each entity has a set of properties. These properties of each entity are termed as_____
  12. 19. An entity set that does not have a primary key is called _____
  13. 21. A top-down design process that creates subclasses based on some different characteristics of the entities
  14. 22. ____ attribute has multiple data values.
  15. 23. ___ is an entity from which another entity can be derived