2_Database_concepts_presentation_l1_v2

Database

Questions

What is database?
Where do we use databases?
Which types of databases do you know?

Database

A database is an organized collection of structured information, or data, typically stored electronically in a computer system. A database is usually controlled by a database management system (DBMS). Together, the data and the DBMS, along with the applications that are associated with them, are referred to as a database system, often shortened to just database.

Most common types of databases:

Hierarchical databases
Network databases
Relational databases

Relational database

Relational database – a database structured to recognize relations between stored items of information.
Relational databases are used in every nowadays sphere to connect data from different tables into one system

Example

Personal work

Create relational database about school schedule yourself!
(at least 2 tables)

Thanks for the attention!