CBSE Class 12 Information Technology Worksheet Set 04

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Review targeted practice sets for Class 12 Informatics Practices All Chapters. Built according to official educational guidelines for the 2026-27 academic year, these downloadable worksheets support daily revision and core concept reinforcement.

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Navigate directly to the printable exercises for All Chapters using the digital viewer below. Each practice set allows students to isolate specific topics for thorough review and uninterrupted practice alongside standard textbooks.

1. What is the difference between Group by and Order by ? Explain with an example. 
 
2. What is the use of Distinct Key Word in Mysql? Explain. 
 
3. How Single Row Functions are different from Multi Row Functions? Explain with an example.
 
4. Find the output
1. Select Dayofmonth(“2012-03-24”);
2. Select Round(34235.897,2);
 
5. How Commit is different from Rollback? Explain 
 
6. What is the Difference between INSTR() and SUBSTR() ? Explain with an example. 
 
7. What do you understand by ALTER command and Update Command in Mysql? Explain with an example.
 
8. What is the use of LIKE operator ? Explain with an Example. 
 
9. How Char data type is different from Varchar? Explain. 
 
10. Write a Mysql function name which is used to display the system date and time together. 
 
11. Find the output:
 
Table : Emp

CBSE Class 12 Information Technology Worksheet Set D

a) Select count(*) from emp;
b) Select Count(Salary) from emp;
c) Select Sum(Salary) from emp;
d) Select Avg(salary) from emp;
 
12. How Where Clause is different from Having Clause? Explain with an example. 
 
13. What is the difference between Drop command and Delete command in Mysql? Explain with an example.
 
14. Write any two examples of DDL and TCL commands.


Please click on below link to download CBSE Class 12 Information Technology Worksheet Set D

Free study material for Informatics Practices

All Chapters Practice Sheet and Solutions for Class 12 Informatics Practices

CBSE Practice Material: Class 12 Informatics Practices All Chapters

Review targeted practice exercises for Class 12 Informatics Practices All Chapters. Curated to match official CBSE guidelines, these downloadable PDF sheets support daily revision and core concept reinforcement.

NCERT-Aligned Questions and Solutions

Built using the official NCERT book for Class 12 Informatics Practices, these practice materials provide reliable academic guidance. Pair your practice with our recommended NCERT solutions to master optimal problem-solving approaches.

Next Steps in Your Exam Preparation

Follow up your worksheet practice by attempting the interactive online Informatics Practices MCQ test for this chapter to evaluate your execution speed. All platform resources are free to access.

FAQs

Where can I download the latest PDF for CBSE Class 12 Information Technology Worksheet Set 04?

You can download the teacher-verified PDF for CBSE Class 12 Information Technology Worksheet Set 04 from StudiesToday.com. These practice sheets for Class 12 Informatics Practices are designed as per the latest CBSE academic session.

Are these Informatics Practices Class 12 worksheets based on the 2026-27 competency-based pattern?

Yes, our CBSE Class 12 Information Technology Worksheet Set 04 includes a variety of questions like Case-based studies, Assertion-Reasoning, and MCQs as per the 50% competency-based weightage in the latest curriculum for Class 12.

Do you provide solved answers for CBSE Class 12 Information Technology Worksheet Set 04?

Yes, we have provided detailed solutions for CBSE Class 12 Information Technology Worksheet Set 04 to help Class 12 and follow the official CBSE marking scheme.

How does solving CBSE Class 12 Information Technology Worksheet Set 04 help in exam preparation?

Daily practice with these Informatics Practices worksheets helps in identifying understanding gaps. It also improves question solving speed and ensures that Class 12 students get more marks in CBSE exams.

Is there any charge for the Class 12 Informatics Practices practice test papers?

All our Class 12 Informatics Practices practice test papers and worksheets are available for free download in mobile-friendly PDF format. You can access CBSE Class 12 Information Technology Worksheet Set 04 without any registration.