What is Data?
1.Data is a collection of a distinct small unit of information.
2.It can be used in a variety of forms like text, numbers, media, bytes, etc.
4.it can be stored in pieces of paper or electronic memory, etc.
5.Word 'Data' is originated from the word 'datum' that means 'single piece of information.' It is plural of the word datum.
What is Database
First we need to understand database structure.
It is very important to understand the database before learning sql
A database is collection of information.
that is organized so that it can be easily accessed,managed and updated
you can organized data into tables,rows,columns and index it to make it easier to find relevant information.
1.Main Purpose
database is to operate a large amount of information storing,retrieving ,managing data
2.Databases Available
Mysql,sybase,oracle,MongoDb,informix,postgresql,sql server,etc..
What is DBMS
A Data Base Management System is a system software for easy.
easy and efficient, reliable data processing and management
Used For Following
1.creation
2.Retrieval of information from the database
3.updating the database
4.Managing
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