CBSE Class 11 Informatics Practices Database Questions

Read and download free pdf of CBSE Class 11 Informatics Practices Database Questions. Get printable school Assignments for Class 11 Informatics Practices. Class 11 students should practise questions and answers given here for Chapter 7 Database Concepts Informatics Practices in Class 11 which will help them to strengthen their understanding of all important topics. Students should also download free pdf of Printable Worksheets for Class 11 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 11 Informatics Practices Chapter 7 Database Concepts

Class 11 Informatics Practices students should refer to the following printable assignment in Pdf for Chapter 7 Database Concepts in Class 11. This test paper with questions and answers for Class 11 Informatics Practices will be very useful for exams and help you to score good marks

Chapter 7 Database Concepts Class 11 Informatics Practices Assignment

Questions & Answers on DataBase Concepts

Q1. What do you mean by a Database Management System?

Ans:- DBMS is a collection of programs and files that allows a user to define structure of database, store data into it, modify the structure and manipulate data. Apart from this it also provide security, transaction management and concurrency control.

Q2. What are the advantages of using a DBMS?

Ans: Advantages of DBMS are:

     1) Reduce data redundancy (duplication of data)

     2) Control data inconsistency to a large extent

     3) Database facilitate sharing of data

     4) Enforce standards

     5) Centralized databases can ensure data security.

Q.3. What do you mean by Relational Data Model?

Ans In this model data is organized into tabular structures called relations. A database may contain many relations providing a better classification of data based on its nature and use. Multiple  relations are then linked/ associated together on some common key data values (foreign key) 

Q.4. What is a relation in Relational Model?

Ans A tabular structure containing data. To be a relation is must satisfy following four conditions:

• Atomicity : At every row-column intersection (Cell) there must be an atomic value i.e. a value that can not be further subdivided.

• No duplicity: No two rows of relation will be identical i.e. in any two rows value in at least one column must be different.

• Ordering of rows is immaterial.

• Ordering of columns is immaterial.

Q.5. What is the foreign key?

Ans: A column or a combination of columns whose values are derived from primary key of some other table is called the foreign key of the table in which it is contained.

Q.6. What do you mean by referential integrity? How is it enforced in databases?

Ans The property of a relational database which ensures that no entry in a foreign key column of a table can be made unless it matches a primary key value in the corresponding column of the related table. It is enforced in the database with the help of foreign key constraint.

More Study Material

CBSE Class 11 Informatics Practices Chapter 7 Database Concepts Assignment

We hope you liked the above assignment for Chapter 7 Database Concepts which has been designed as per the latest syllabus for Class 11 Informatics Practices released by CBSE. Students of Class 11 should download and practice the above Assignments for Class 11 Informatics Practices regularly. We have provided all types of questions like MCQs, short answer questions, objective questions and long answer questions in the Class 11 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 11 Chapter 7 Database Concepts

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Chapter 7 Database Concepts Assignment Informatics Practices CBSE Class 11

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Chapter 7 Database Concepts Assignment CBSE Class 11 Informatics Practices

Regular assignment practice helps to get a more comprehensive understanding of Chapter 7 Database Concepts concepts. Assignments play a crucial role in understanding Chapter 7 Database Concepts in CBSE Class 11. Students can download all the assignments of the same chapter in Class 11 Informatics Practices in Pdf format. You can print them or read them online on your computer or mobile.

CBSE Informatics Practices Class 11 Chapter 7 Database Concepts Assignment

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Where can I download in PDF assignments for CBSE Class 11 Informatics Practices Chapter 7 Database Concepts

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The Chapter 7 Database Concepts Class 11 Informatics Practices Assignments have been designed based on latest CBSE syllabus for Class 11 Informatics Practices issued for the current academic year

Can I download and print these printable assignments for Informatics Practices Chapter 7 Database Concepts Class 11

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How many topics are covered in Chapter 7 Database Concepts Informatics Practices assignments for Class 11

All topics given in Chapter 7 Database Concepts Informatics Practices Class 11 Book for the current academic year have been covered in the given assignment

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