CBSE Class 12 Informatics Practices More RDBMS Assignment

Read and download free pdf of CBSE Class 12 Informatics Practices More RDBMS Assignment. Get printable school Assignments for Class 12 Informatics Practices. Class 12 students should practise questions and answers given here for More Rdbms Informatics Practices in Class 12 which will help them to strengthen their understanding of all important topics. Students should also download free pdf of Printable Worksheets for Class 12 Informatics Practices prepared as per the latest books and syllabus issued by NCERT, CBSE, KVS and do problems daily to score better marks in tests and examinations

Assignment for Class 12 Informatics Practices More Rdbms

Class 12 Informatics Practices students should refer to the following printable assignment in Pdf for More Rdbms in Class 12. This test paper with questions and answers for Class 12 Informatics Practices will be very useful for exams and help you to score good marks

More Rdbms Class 12 Informatics Practices Assignment

More RDBMS(Relational Database Management System)

Q.1: What do you mean by DBMS and Transaction Management ?

Suppose Raunak's account number is 3246 and his aunt's account number is 5135. In order to process the cheque presented by Raunak, the following two SQL commands need to be executed on the database maintained by the bank:

UPDATE Savings SET balance = balance – 2000 WHERE account_no = 5135; For Aunt's account

UPDATE Savings SET balance = balance + 2000 WHERE account_no = 3246; For Raunak's account

The above two Updates should both take place. If the first Update takes place and there is a system failure, the first updation should be undone. Either both the updations should be done and if it is not possible for both the updations to be done, then no updation should be done.


Q. 2: What is a Transaction?

A Transaction is a unit of work that must be done in logical order and successfully as a group or not done at all. Unit of work means that a Transaction consists of different tasks - but together they are considered as one unit. Each transaction has a beginning and an end. If anything goes wrong in between the execution of transaction, the entire transaction (No matter to what extent has been done) should be cancelled. If it is successful, then the entire transaction should be saved to the database.

A transaction is a unit of work that must be done in logical order and successfully as a group or not done at all. 

In Raunak's case, both the updation statements constitute a transaction. Both are together treated as a single unit.


Q.3: how transactions are managed ?

 let us study the following 3 statements of SQL:

• START TRANSACTION statement

• COMMIT statement

• ROLLBACK statement


Please refer to attached file for CBSE Class 12 Informatics Practices More RDBMS Assignment


Class 12 Informatics Practices Assignments
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CBSE Class 12 Informatics Practices Revision Assignment Set B
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CBSE Class 12 Informatics Practices More Rdbms Assignment

We hope you liked the above assignment for More Rdbms which has been designed as per the latest syllabus for Class 12 Informatics Practices released by CBSE. Students of Class 12 should download and practice the above Assignments for Class 12 Informatics Practices regularly. We have provided all types of questions like MCQs, short answer questions, objective questions and long answer questions in the Class 12 Informatics Practices practice sheet in Pdf. All questions have been designed for Informatics Practices by looking into the pattern of problems asked in previous year examinations. 

Assignment for Informatics Practices CBSE Class 12 More Rdbms

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More Rdbms Assignment Informatics Practices CBSE Class 12

All questions and their answers for the assignment given above for Class 12 Informatics Practices have been developed as per the latest curriculum and books issued for the current academic year. The students of Class 12 can rest assured that the best teachers have designed the questions of Informatics Practices so that you are able to revise the entire syllabus if you do the assignments. Lot of MCQ questions for Class 12 Informatics Practices have also been given in the worksheets and assignments for regular use. All study material for Class 12 Informatics Practices students have been given on studiestoday.

More Rdbms Assignment CBSE Class 12 Informatics Practices

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CBSE Informatics Practices Class 12 More Rdbms Assignment

CBSE Class 12 Informatics Practices latest books have been used for coming up with the latest questions and solutions for the above assignment. If you have revised all concepts relating to More Rdbms then you should attempt all questions given in the test sheets above. We have also provided lot of Worksheets for Class 12 Informatics Practices which you can use to further make your self stronger in Informatics Practices

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The More Rdbms Class 12 Informatics Practices Assignments have been designed based on latest CBSE syllabus for Class 12 Informatics Practices issued for the current academic year

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All topics given in More Rdbms Informatics Practices Class 12 Book for the current academic year have been covered in the given assignment

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