CBSE Class 12 Informatics Practices MYSQL Revision Tour Assignment

Official CBSE Assignments for Class 12 Informatics Practices

Access comprehensive school assignments for Mysql using the CBSE Class 12 Informatics Practices MYSQL Revision Tour Assignment. Designed to align with the 2026-27 CBSE academic guidelines, these practice sets help Class 12 Informatics Practices students reinforce core concepts and improve their problem-solving accuracy.

Solved Practice Assignments for Informatics Practices

Navigate directly to the solved Informatics Practices assignments using the digital viewer below. Each practice set includes detailed step-by-step solutions, allowing students to instantly cross-check their work and identify areas requiring further revision.

 

MYSQL REVISION TOUR

SOLVED QUESTIONS

1. What do you mean by a Database Management System?

Ans- Database Management is a collection of programs and files that allow a user to define structure of a database, store data into it, modify the structure and manipulate the data.

2. What do you mean by Relational database?

Ans-Relational Database is a type of database in which relation is used as its basic element.Row and columns are used to store data.

3. What is a foreign key?

Ans If a key is available in a table as a primary key then this key is called foreign key in another table.

4. What is primary key?

Ans-Primary key is a unique key in a relation which can uniquely identifies a tuple (row) in a given relation.

5. What is SQL?

Ans-SQL is stands for structured query language. This language is used to manipulate data stored in a table.

6. What is referential integrity?

Ans-This is a rule which ensures that in DBMS relationships between records in related tables are valid. And that user don’t accidently delete or change related data.

7. What is MySql?

Ans-Mysql is an open source RDBMS which uses SQL.

8. What is DDL?

Ans- DDL provides commands to define or redefine the schema of a table.Table is created,altered and dropped using DDL.

9. What are DML commands?

Ans- DML commands are used to manipulate data stored in a table.Insertion, deletion and modifications are possible using DML commands.

10. Maximum how many characters can be stored in a (i) text literals (ii) numeric literal

Ans-(i) Text literals can have 4000 bytes (ii) A numeric literals can store 53 digits.

11. What is null value in MySql?

Ans-If a column in a row has no value, then column is said to be null.

12. Which keyword eliminates redundant data in from a query result?

Ans- DISTINCT

13. How would you display system date as the result of a query?

Ans- CURDATE()

14. What is NOW() function in MySql?

Ans- It returns the current date and time.

15. What is NOT NULL constraint?

Ans- NOT NULL constraints impose a condition that value of a row cannot be left blank.

16. What is error in following statement? UPDATE EMPL;

Ans- WHERE clause is missing in given query.

 


Please refer to attached file for CBSE Class 12 Informatics Practices MYSQL Revision Tour Assignment

Free study material for Informatics Practices

Download Practice Assignments: Class 12 Informatics Practices Mysql

Chapter Practice Questions for Class 12 Informatics Practices

Access structured practice assignments for Mysql designed in alignment with the latest CBSE curriculum for Class 12 Informatics Practices. These printable sets cover objective and descriptive problem types to support thorough revision.

Key Advantages of Solving Mysql Assignments

  • Syllabus Compliance: Sets reflect current CBSE evaluation criteria and official marking frameworks.
  • Multi-Format Practice: Includes varied problem types designed to deepen comprehension across all sub-topics.
  • Time Management: Routine practice optimizes pacing to finish school examinations comfortably within schedule.

Effective Strategy for Class 12 Informatics Practices Assignments

  1. Textbook Review: Always study the core NCERT book for Class 12 Informatics Practices prior to beginning the assignment.
  2. Independent Attempt: Solve Mysql questions on your own initially before cross-checking with expert solutions.
  3. Error Tracking: Record challenging concepts in a dedicated notebook and practice online MCQ tests for revision.

FAQs

Where can I download the latest CBSE Class 12 Informatics Practices Mysql assignments?

You can download free PDF assignments for Class 12 Informatics Practices Mysql from StudiesToday.com. These practice sheets have been updated for the 2026-27 session covering all concepts from latest NCERT textbook.

Do these Informatics Practices Mysql assignments include solved questions?

Yes, our teachers have given solutions for all questions in the Class 12 Informatics Practices Mysql 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 Mysql 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 Mysql.

How can practicing Mysql assignments help in Informatics Practices preparation?

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

Can I download Informatics Practices Mysql assignments for free on mobile?

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