DISADVANTAGES OF FILE PROCESSING SYSTEMS:

There are many Disadvantage of file system as follow.
1.Uncontrolled redundancy
2.Inconsistent data
3.Inflexibility
4.Limited data sharing
5.Poor enforcement of standarts
6.Excessive program maintenance.

So the concept of DBMS is required.So it is important to learn DBMS

Application of a DBMS

The DBMS provides function to define the structure of the data in the application.These include defining and modifying  the record structure, the type and size of fields and the various constrains/condition to be satisfied by the data in each field.The functions performed by a typical DBMS are the following:

1. Data Manipulation
2. Data Security & Integrity
3. Data Recovery & Concurrency
4. Data Dictionary Maintenance
5. Performance
6. Authorization Services
7. Providing muliple interfaces.

WHAT IS DATABASE & DATABASE MANAGEMENT SYSTEM (DBMS)?

DATABASE:

Database is a collection of data in organized manner.

For example -  Detail of students  in  organized manner is also called database of that class.

DATABASE  MANAGEMENT SYSTEM (DBMS) :

Database Management system is computerized system in which user can store data. Delete, modify, add, retrieve operation is available in Database Management System(DBMS).

Some DBMS example like MYSQL,Oracle, RDBMS etc.

How to install 2 whatsapp acoount in android without root?

Step 1:

 Download OGwhatsapp.apk


Step 2:


Take backup of Whatsapp

step 3:

Rename Whatsapp folder with OGwhatsapp.

Step 4:

Reinstall whatsapp.apk again or do clear data.

step 5:


Install OGwhatsapp


step 6:

Now you can use two accounts. one in OGwhatsapp & one in Whatsapp.


Warning:

This is only for Educational Purpose.

THANK YOU !!!