Department of Information Technology
Internal Test -1
Subject :DBMS
Total:50 Marks
PART-A
10x2=20 Marks
Answer all the questions
1.Define DBMS?
2.What is real world entity.
3.What is query language.
4.What is domain.
5.what is relationship.
6.Difference between physical data scheme and logical data scheme.
7.Write a type of attribute.
8.define primary key and foreign key.
9.Define candidate key and super key.
10.Write a short note on tuple and field.
PART-B
2x15=20 Marks
Answer any two questions
1.Example about overall system structure of DBMS?
2.Example entity relation model write an example?
3.Example mapping constrains?
