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Database MCQs

Prepare for IT job exams and competitive tests with our comprehensive Database MCQs. This section includes questions on DBMS concepts, SQL queries, normalization, ER diagrams, relational databases, indexing, transactions, keys, and database models. These MCQs are carefully curated to reflect the latest exam patterns and real-world database scenarios. Ideal for candidates appearing in FPSC, PPSC, NTS, SPSC, BPSC, CSS, PMS, and technical assessments for IT and computer science jobs. Whether you're a student or job aspirant, these MCQs will help strengthen your database fundamentals, improve your query-solving speed, and boost your overall performance.

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1 Database MCQs

Which file contains permanent data and is updated during transaction processing?

  • Operating System File
  • Transaction File
  • Software File
  • Master File
0 Comments
Correct Answer: D. Master File

Explanation:

A Master File is a file that stores permanent or long-term data ... Read More Details

2 Database MCQs

Which data mining technique derives rules from real-world case examples?

  • Rule discovery
  • Signal processing
  • Neural nets
  • Case-based reasoning
0 Comments
Correct Answer: D. Case-based reasoning

Explanation:

Case-Based Reasoning (CBR) is a data mining and artificial intelligence technique that ... Read More Details

3 Database MCQs

The function to insert data in a stack data structure is?

  • Pop
  • Push
  • Insert
  • None of these
0 Comments
Correct Answer: A. Pop

Explanation:

The correct function used to insert data into a stack data structure is ... Read More Details

4 Database MCQs

Array is an example of?

  • Single Data Structure
  • Linear Data Structure
  • Compound Data Structure
  • None of these
0 Comments
Correct Answer: B. Linear Data Structure

Explanation:

An array is an example of a Linear Data Structure. In a linear ... Read More Details

5 Database MCQs

DBMS stands for?

  • Database Management Software
  • Database Management System
  • Database Management Service
  • None of these
0 Comments
Correct Answer: B. Database Management System

Explanation:

DBMS is a software system that allows users to define, create, manage, and ... Read More Details

6 Database MCQs

Which of the following is the collection of related records?

  • File
  • Data
  • Table
  • none of these
0 Comments
Correct Answer: A. File

Explanation:

In the context of databases and data management, a file is a collection ... Read More Details

7 Database MCQs

DFD stands for ?

  • Data Flow Diagram
  • Data Float Diagram
  • Delete Flow Diagram
  • None of these
0 Comments
Correct Answer: A. Data Flow Diagram

Explanation:

A Data Flow Diagram (DFD) is a graphical representation used to visualize the flow of ... Read More Details

8 Database MCQs

Which of the following is used to describe the characteristics of an object?

  • Cardinality
  • Relationship
  • Attribute
  • None of these
0 Comments
Correct Answer: C. Attribute

Explanation:

In database terminology, an attribute is used to describe the characteristics or properties of an ... Read More Details

9 Database MCQs

In an Entity-Relationship (E-R) diagram, a rectangle represents ?

  • Attribute
  • Relationship
  • Entity
  • None of these
0 Comments
Correct Answer: C. Entity

Explanation:

In an Entity-Relationship (E-R) diagram, a rectangle is used to represent an Entity. ... Read More Details

10 Database MCQs

A collection of related fields is called ?

  • File
  • Record
  • Character
  • None of these
0 Comments
Correct Answer: B. Record

Explanation:

In the structure of a database, a field is a single piece of ... Read More Details

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