
Database Management System Quiz

Quiz
•
Computers
•
University
•
Hard

Osama Qaed
FREE Resource
80 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of a DBMS?
Managing databases and their contents
Storing physical hardware components
Creating network protocols
Generating programming languages
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of a data dictionary in a database system?
To manage user access permissions
To store the database schema
To optimize query execution plans
To provide a description of data elements
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Define the concept of data consistency in a database.
Ensuring data uniqueness across tables
Guaranteeing data accuracy and validity
Maintaining data in alphabetical order
Minimizing data redundancy
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Describe the difference between a logical and a physical database model.
Logical model focuses on data storage, while physical model focuses on data representation
Logical model defines the structure, while physical model deals with implementation details
Logical model emphasizes query optimization, while physical model emphasizes data retrieval
Logical model simplifies data access, while physical model ensures data integrity
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does ACID stand for in the context of database transactions?
Atomicity, Control, Isolation, Durability
Accuracy, Consistency, Isolation, Durability
Atomicity, Consistency, Isolation, Durability
Accuracy, Control, Isolation, Durability
6.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
What is a schema in a database?
A specific SQL query
A collection of related tables
A visual representation of data
A logical structure of the database
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of data normalization?
To increase data redundancy
To minimize data duplication and dependency
To maximize data storage capacity
To simplify data retrieval operations
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