Computer Basic Concepts and Terminology of Databases Test Online

Q: How can I prepare for Computer Basic Concepts and Terminology of Databases Test Online?

You can prepare for Computer Basic Concepts and Terminology of Databases Test Online by attempting the free online quizzes at Gotest.com.pk. We provide instant results, performance reports, and detailed explanations for every question.

Question 1

1. Which of these is a relational database?

Question 2

2. What is a database index used for?

Answer

Backing up data

Answer

Encrypting data

Answer

Increasing search speed

Answer

Storing records

Question 3

3. What does NULL represent in a database?

Answer

A false value

Answer

An empty space

Answer

A missing or unknown value

Answer

A zero value

Question 4

4. Which clause is used to filter records in SQL?

Question 5

5. Which operator is used in SQL for pattern matching?

Question 6

6. What is data integrity in databases?

Answer

Encrypting the data

Answer

Sorting tables

Answer

Combining data

Answer

Ensuring data remains accurate and consistent

Question 7

7. Which one is not an SQL data type?

Question 8

8. Which constraint ensures that a column cannot have NULL values?

Question 9

9. What is the default sort order in SQL?

Answer

Descending

Answer

Alphabetical

Question 10

10. Which SQL clause groups rows with the same values?

Question 11

11. What is a foreign key?

Answer

A field that stores user passwords

Answer

A key used in multiple databases

Answer

A field that links one table to another

Answer

A duplicate of a primary key

Question 12

12. What is the purpose of normalization?

Answer

To convert data to audio format

Answer

To duplicate data

Answer

To reduce redundancy and improve data integrity

Answer

To slow down database queries

Question 13

13. Which SQL command is used to remove a table completely?

Question 14

14. Which SQL statement is used to add new records?

Question 15

15. Which command is used to grant user permissions in SQL?

Question 16

16. What is a record in a database?

Answer

A row representing one entry

Answer

A file format

Answer

A column of data

Answer

A table of values

Question 17

17. Which command is used to remove records from a table?

Question 18

18. Which SQL clause is used to limit the number of records returned?

Question 19

19. Which SQL keyword is used to sort the result set?

Question 20

20. What is a view in SQL?

Answer

A virtual table created from a SELECT query

Answer

A physical table

Answer

A primary key

Answer

A stored procedure

Question 21

21. Which function returns the number of rows in a table?

Question 22

22. What does SQL stand for?

Answer

Simplified Query Language

Answer

Structured Query Language

Answer

Server Query Language

Answer

Structured Quick Language

Question 23

23. Which keyword is used to define a new table in SQL?

Answer

MAKE TABLE

Answer

BUILD TABLE

Answer

CREATE TABLE

Question 24

24. What is an attribute in a database?

Answer

A set of tables

Answer

A unique row

Answer

A data field or column

Answer

A duplicate record

Question 25

25. Which SQL keyword is used to combine results from two queries?

Question 26

26. What is a primary key?

Answer

A field that uniquely identifies a record

Answer

A field that allows null values

Answer

A duplicated field

Answer

A field used only for sorting

Question 27

27. Which of the following is not a type of DBMS?

Answer

Spreadsheet

Answer

Hierarchical

Answer

Relational

Question 28

28. What is a composite key?

Answer

A foreign key

Answer

A single key used across tables

Answer

A duplicated primary key

Answer

A key made of multiple columns

Question 29

29. Which key ensures uniqueness for each record in a table?

Answer

Foreign key

Answer

Primary key

Answer

Composite key

Answer

Secondary key

Question 30

30. Which of the following defines rules for data in a table?

Answer

Constraint

Question 31

31. Which of the following is used to store and manage data in a structured format?

Answer

Operating system

Answer

Spreadsheet

Question 32

32. Which SQL command is used to change existing records?

Question 33

33. Which is the correct order of SQL execution?

Answer

SELECT → FROM → WHERE

Answer

FROM → WHERE → SELECT

Answer

FROM → SELECT → WHERE

Answer

SELECT → WHERE → FROM

Question 34

34. What is data redundancy?

Answer

Losing data

Answer

Compressing data

Answer

Repeating the same data unnecessarily

Answer

Encrypting data

Question 35

35. What does DBMS stand for?

Answer

Data Business Modeling Software

Answer

Data Backup Management System

Answer

Database Management System

Answer

Database Managing Software

Question 36

36. What is the full form of RDBMS?

Answer

Random Data Management Software

Answer

Relational Database Management System

Answer

Registered Data-Based Model Software

Answer

Real Data Backup and Management System

Question 37

37. What is the difference between DELETE and TRUNCATE in SQL?

Answer

DELETE is faster

Answer

DELETE removes structure, TRUNCATE removes records

Answer

DELETE removes records one by one, TRUNCATE removes all instantly

Answer

TRUNCATE allows WHERE clause

Question 38

38. In relational databases, a table is also called a:

Question 39

39. What does the term schema refer to in databases?

Answer

A report format

Answer

A backup of data

Answer

A structure of tables and relationships

Answer

A data entry form

Question 40

40. Which command is used to modify the structure of a table?

Question 41

41. What does ERD stand for?

Answer

Extended Relational Data

Answer

Entry Record Document

Answer

Entity Relationship Diagram

Answer

Entity Relational Design

Question 42

42. Which of the following is a popular database management system (DBMS)?

Answer

Adobe Reader

Answer

Microsoft Excel

Question 43

43. Which SQL statement is used to create a new database?

Answer

CREATE DATABASE

Answer

MAKE DATABASE

Answer

BUILD DATABASE

Answer

NEW DATABASE

Question 44

44. Which command is used to retrieve data from a database?

Question 45

45. Which SQL command is used to remove duplicate rows from results?

Question 46

46. What is the result of a JOIN operation?

Answer

Insertion of a row

Answer

Deletion of a record

Answer

Encrypting values

Answer

Combining rows from multiple tables based on a related column

Question 47

47. Which of the following is a NoSQL database?

Answer

PostgreSQL

Question 48

48. Which SQL clause is used to rename a column or table?

Question 49

49. Which clause is used with GROUP BY to filter groups?

Question 50

50. What is a field in a database?

Answer

A collection of tables

Answer

A single piece of data in a record

Answer

A data file

Answer

A group of records

Question 51

Loading...

Total Questions:	50
Time Allowed:	25 Minutes
Total Marks:	50
How to Attempt Test:	Please choose the right Option in MCQ-type question.
Test Helpful For:	ECAT Entry Test Computer Online Test Interview Questions about Computer All Universities Entrance Test Recruitments Tests

Computer Basic Concepts and Terminology of Databases Test Online

Important Basics Concepts and Terminology of Databases Question and Answer

Basics Concepts and Terminology of Databases Practice Test Online With Explanation

Uncategorized

Study Plan for Computer Basic Concepts and Terminology of Databases Test Online

How to Use GoTest for Preparation:

Mustansar Khan

Leave a Reply Cancel reply