1. Introduction to DataBase

2. What is The Meaning of Databases ????
Database is an organized collection of  DATA

3. Database
 Databases may be stored on a computer and examined using a program. These programs are often called `databases', but more strictly are database management systems (DMS)
Computer-based databases are usually organized into one or more tables. 
A table stores data in a format similar to a published table and consists of a series of rows and columns.

5. Evolution of databases
Databases have evolved since their inception in the 1960s, beginning with hierarchical and network databases,
through the 1980s with object-oriented databases,
and today with SQL and NoSQL databases and cloud databases.

6. Hierarchical DB

7. Network DB

8. Relational DB invented by E.F. Codd at IBM in 1970
This is the most common of all the different types of databases. In this, the data in a relational database is stored in various data tables. Each table has a key field which is used to connect it to other tables.

10. A database management system (DBMS)
A database management system (DBMS) is system software for creating and managing databases.
The DBMS provides users and programmers with a systematic way to create, retrieve, update and manage data.

11. components of Database Management System:
There are four basic components of Database Management System:
 Data: Raw facts which we want to feed in the computer.
 Hardware: On which the data to be processed.
 Software: The interface between the hardware and user, by which the data   will change into the information.
 User: There are so many types of users some of them are application programmer, end case users and DBA

13. Benifts of DBMS reducing the amount of time spent managing data
giving you the ability to analyse data in a variety of ways
promoting a disciplined approach to data management
turning disparate information into a valuable resource
improving the quality and consistency of information

14. Database Actors Database Administrators Database Designers
System Analysts and Application Programmers
End Users
Naive or parametric end users (using standard types of queries )
Sophisticated end users (Engineers, scientists, business analysts, and others )
Stand-alone users (using ready-made program packages )