Read and download the CBSE Class 12 Informatics Practices MYSQL Revision Tour Assignment for the 2025-26 academic session. We have provided comprehensive Class 12 Informatics Practices school assignments that have important solved questions and answers for Mysql. 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 Mysql
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 Mysql, covering both basic and advanced level questions to help you get more marks in exams.
Mysql Class 12 Solved Questions and Answers
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
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Important Practice Resources for Class 12 Informatics Practices
CBSE Class 12 Informatics Practices Mysql Assignment
Access the latest Mysql 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 Mysql. 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 Mysql
Practicing these Class 12 Informatics Practices assignments has many advantages for you:
- Better Exam Scores: Regular practice will help you to understand Mysql 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 Mysql sets include Case Studies, objective questions, and various descriptive problems with answers.
- Time Management: Solving these Mysql test papers daily will improve your speed and accuracy.
How to solve Informatics Practices Mysql Assignments effectively?
- Read the Chapter First: Start with the NCERT book for Class 12 Informatics Practices before attempting the assignment.
- Self-Assessment: Try solving the Mysql questions by yourself and then check the solutions provided by us.
- Use Supporting Material: Refer to our Revision Notes and Class 12 worksheets if you get stuck on any topic.
- 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 Mysql on daily basis. Using a timer while practicing will further improve your problem-solving skills and prepare you for the actual CBSE exam.
You can download free Pdf assignments for CBSE Class 12 Informatics Practices Mysql from StudiesToday.com
All topics given in Mysql Informatics Practices Class 12 Book for the current academic year have been covered in the given assignment
No, all Printable Assignments for Mysql Class 12 Informatics Practices have been given for free and can be downloaded in Pdf format
Latest syllabus issued for current academic year by CBSE has been used to design assignments for Mysql Class 12
Yes, we have provided detailed answers for all questions given in assignments for Mysql Class 12 Informatics Practices