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Bit by Bit | Chapter 4 - Log on to MS Access 2010 | Class 7 CBSE | Computer Application

D. Answer the following questions

1. What is database?

A database is an organised way of storing information. It helps us to manage and access large amount of information quickly and efficiently.

2. What do you understand by term RDBMS?

A DBMS that stores data in the form of tables and enables you to join the tables by creating a link between them is called Relational Database Management System (RDBMS).

3. Explain any two advantages of database.

The advantages of database are given below:

(i) Facilitates sharing of data – Different users can use the same database to extract data based on their individual needs.

(ii) Ensures data security – In a DBMS the database administrator has complete control over the database and ensures that the data is accessible only to authorized people.

4. Define the term ‘tables’.

Tables are the building blocks of a database. They store the complete data in a structured manner in the forms of rows and columns.

5. What do you mean by the term ‘queries’?

Queries are the data which you extract from one or multiple table for working on database.

6. State the difference between forms and a report.

Forms provide a user interface that lets the user enter and change data in the tables, whereas reports are used to display the data stored in database tables in a professional format, for printing purpose.


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