DBMS
Data – Data are facts that can be recorded and carry implicit meaning.
Example – Text, Name, Address, Images, Videos.
Database:
Database – Database is an integrated collection of related data. A database has the following
1. Database represents aspects of the real-world.
2. A random assortment of data cannot be an example of a database.
Various kinds of Database exists:
1. Traditional Database (TDB): Where data is stored and accessed in either textual or numeric form. Basically it is used as formal kind use in real life.
2. Multimedia Database: Where images, audio clips, and videos are stored.
3. Geographic Information System: Where maps, weather data, satellite images are stored and can be analyzed further.
4. Another we can say it is database is Database Warehouse.
Database Warehouse: Where a huge amount of data is stored and later they are analyzed in order to find out useful business information like store a data of a company of 100 years.
By a software or set of programs we define, create, and manipulate databases. This set of programs called DBMS.
A Database Management System (DBMS) is a collection of programs that allows users to create and maintain a database basically it is a piece of software designed to store and manage the database.
Various companies provide various DBMS.
Two important things in DBMS:
# Entities (e.g. student, course)
# Relationship (e.g. Alice is enrolled in 145)
Examples: