
Database Management System Quiz
Authored by Navitha Gunalan
Information Technology (IT)
University
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a Database Management System (DBMS)?
A software program that allows users to create, edit, and update data in database files.
Known facts that can be recorded and have implicit meaning.
A collection of related data.
Composed of 5 major parts: Hardware, Software (DBMS), People, Procedures, and Data.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a common feature of a DBMS?
Storing known facts that can be recorded and have implicit meaning.
Composed of 5 major parts: Hardware, Software (DBMS), People, Procedures, and Data.
Ensuring completeness, integrity, flexibility, efficiency, and usability of data.
A set of software programs that allows users to create, edit, and update data in database files.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a feature of the relational database model?
Hierarchical structure
Table structure
Network structure
Graph structure
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A primary key is used to ______.
uniquely identify a row
uniquely identify a column
sort the data
relate two tables
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following keys can be a candidate key?
Foreign key
Composite key
Primary key
All of the above
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The degree of a relation is the number of _______.
attributes
tuples
constraints
indexes
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The collection of information stored in a database at a particular moment is known as ______.
database instance
database schema
data model
data dictionary
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