DBMS MCQ : Data Models (Multiple Choice Questions)
Question 1 |
Object which is distinguishable from other objects by specific set of attributes is called as ___________.
None of these | |
Entity | |
Attributes | |
Classes |
Question 2 |
Association among several entities is called as _____________.
Relationship | |
Association | |
Combination | |
Extraction |
Question 3 |
______________ express the number of entities to which another entity can be associated via a relationship set.
Mapping Cardinality | |
Messaging Cardinality | |
Logical Cardinality | |
None of these |
Question 4 |
In Object Oriented Model values are stored into __________ variables.
Local | |
Instance | |
Static | |
Global |
Question 5 |
Collection of tables to represent both data and relationship is described by _____________.
Network Model | |
Entity Model | |
Relational Model | |
Entity Relation Model |
There are 5 questions to complete.