1 .
DBMS is a collection of ………….. that enables user to create and maintain a database.
A .
Keys
B .
Translators
C .
Program
D .
Language Activity
View Answer
- C . Program
2 .
In a relational schema, each tuple is divided into fields called
A .
Relations
B .
Domains
C .
Queries
D .
All of the above
- View Answer
- B . Domains
3 .
In an ER model, ……………. is described in the database by storing its data.
A .
Entity
B .
Attribute
C .
Relationship
D .
Notation
- View Answer
- A . Entity
4 .
DFD stands for
A .
Data Flow Document
B .
Data File Diagram
C .
Data Flow Diagram
D .
Non of the above
- View Answer
- C . Data Flow Diagram
5 .
A top-to-bottom relationship among the items in a database is established by a
A .
Hierarchical schema
B .
Network schema
C .
Relational Schema
D .
All of the above
- View Answer
- A . Hierarchical schema