CBSE Class 12 Informatics Practices Revision Assignment Set D

Read and download the CBSE Class 12 Informatics Practices Revision Assignment Set D for the 2025-26 academic session. We have provided comprehensive Class 12 Informatics Practices school assignments that have important solved questions and answers for All topics. These resources have been carefuly prepared by expert teachers as per the latest NCERT, CBSE, and KVS syllabus guidelines.

Solved Assignment for Class 12 Informatics Practices All topics

Practicing these Class 12 Informatics Practices problems daily is must to improve your conceptual understanding and score better marks in school examinations. These printable assignments are a perfect assessment tool for All topics, covering both basic and advanced level questions to help you get more marks in exams.

All topics Class 12 Solved Questions and Answers

 

INFORMATICS PRACTICES

WORK SHEET – II TERM

 

Q1: (a)Which commands in MySql is used to make any Database current Database and see the list of table in that data base?

(b) What do you mean by table level constraint and column level constraints? Give example for that.

(c) How primary key in a table is different from unique key constraint?

(d) What is the purpose of following query statements. Write output.

Select round(4325.7869,2);

Select truncate(4325.7869,2);

(e) What is the difference between Group by and Order by clause?

(f) A table Alpha contains 4 records and table Beta contains 7 records what will be total number of records in their Cartesian product?

(g) Write SQL statement to add a column regno of data type varchar in a table Candidate which is primary key?

(h) Mrs Hetal, a database administrator created a table Voters in which she has used nationality as column name and by mistake she has entered nationality as Gujarat. Now she wants to change all the values from Gujarati to Indians using single statement. Help her to do the following by writing statement.

(i) What will be the query output for the following statement. Write in words/sentence.

(a) SELECT * from SCHOOL where sname like “_ _ _ SURAT”;

(b) SELECT * from SCHOOL where sname like “DC%”;

 

Q2: (a) What is the difference between drop and delete table command?

(b) What are different commands used in Transaction in MySql?

 

Please click the below link to access CBSE Class 12 Informatics Practices Revision Assignment Set D


CBSE Class 12 Informatics Practices All topics Assignment

Access the latest All topics assignments designed as per the current CBSE syllabus for Class 12. We have included all question types, including MCQs, short answer questions, and long-form problems relating to All topics. You can easily download these assignments in PDF format for free. Our expert teachers have carefully looked at previous year exam patterns and have made sure that these questions help you prepare properly for your upcoming school tests.

Benefits of solving Assignments for All topics

Practicing these Class 12 Informatics Practices assignments has many advantages for you:

  • Better Exam Scores: Regular practice will help you to understand All topics properly and  you will be able to answer exam questions correctly.
  • Latest Exam Pattern: All questions are aligned as per the latest CBSE sample papers and marking schemes.
  • Huge Variety of Questions: These All topics sets include Case Studies, objective questions, and various descriptive problems with answers.
  • Time Management: Solving these All topics test papers daily will improve your speed and accuracy.

How to solve Informatics Practices All topics Assignments effectively?

  1. Read the Chapter First: Start with the NCERT book for Class 12 Informatics Practices before attempting the assignment.
  2. Self-Assessment: Try solving the All topics questions by yourself and then check the solutions provided by us.
  3. Use Supporting Material: Refer to our Revision Notes and Class 12 worksheets if you get stuck on any topic.
  4. Track Mistakes: Maintain a notebook for tricky concepts and revise them using our online MCQ tests.

Best Practices for Class 12 Informatics Practices Preparation

For the best results, solve one assignment for All topics on daily basis. Using a timer while practicing will further improve your problem-solving skills and prepare you for the actual CBSE exam.

Where can I download the latest CBSE Class 12 Informatics Practices Chapter All topics assignments?

You can download free PDF assignments for Class 12 Informatics Practices Chapter All topics from StudiesToday.com. These practice sheets have been updated for the 2025-26 session covering all concepts from latest NCERT textbook.

Do these Informatics Practices Chapter All topics assignments include solved questions?

Yes, our teachers have given solutions for all questions in the Class 12 Informatics Practices Chapter All topics assignments. This will help you to understand step-by-step methodology to get full marks in school tests and exams.

Are the assignments for Class 12 Informatics Practices Chapter All topics based on the 2026 exam pattern?

Yes. These assignments are designed as per the latest CBSE syllabus for 2026. We have included huge variety of question formats such as MCQs, Case-study based questions and important diagram-based problems found in Chapter All topics.

How can practicing Chapter All topics assignments help in Informatics Practices preparation?

Practicing topicw wise assignments will help Class 12 students understand every sub-topic of Chapter All topics. Daily practice will improve speed, accuracy and answering competency-based questions.

Can I download Informatics Practices Chapter All topics assignments for free on mobile?

Yes, all printable assignments for Class 12 Informatics Practices Chapter All topics are available for free download in mobile-friendly PDF format.