Entity Relationship Model

2. ____ attribute has calculated from other attributes.
3. some entities may not participate in any relationship in the relationship set.
6. Weak entity relationship set is indicated by a______
7. ____ relationship is the relationship between three different entities
10. a weak entity set is the set of attributes that
12. an entity can be a member of only one of the subclasses of the specialization.
15. It represents the number of records of another entity set that are connected to an
17. the same entity can be a member of more than one sub-class of the specialization.
20. is a thing, object, or person in the real world that is distinguishable
22. Students learns subject is having___ type of mapping cardinality
24. every entity in the entity set participates in at least one relationship in the relationship set.
25. ____ attribute that is used to uniquely identify each and every row
26. Entity connected with entity
27. distinguishes between all the entities of a weak entity set.

1. A bottom-up design process that combines a number of entity sets that have the same features into a higher-level entity set.
4. __ attribute can be divided into sub parts.
5. using a relationship set.
6. A relationship may also have attribute like entity.
8. is an association (connection) between two or more entities.
9. all other objects
11. is an entity that is derived from another entity.
13. Citizen and Aadhar card detail is having___ type of mapping cardinality
14. _____ relationship exists when an association is maintained within a single entity.
16. ___ relationship exists when two entities are associated
18. Each entity has a set of properties. These properties of each entity are termed as_____
19. An entity set that does not have a primary key is called _____
21. A top-down design process that creates subclasses based on some different characteristics of the entities
22. ____ attribute has multiple data values.
23. ___ is an entity from which another entity can be derived