Could you explain what is meant by a database and how it works?

A database is an organized collection of data that is stored and managed in such a way as to provide quick access, search, and update of information. It operates through a Database Management System (DBMS), which allows creating, reading, updating, and deleting data.

Example: In an online store, the database stores information about products, customers, and orders. When a user places an order, the DBMS updates the relevant tables, ensuring data integrity and availability.

Main principles of a database operation:

• Data is structured (e.g., in tables with columns and rows).
• Queries (e.g., in SQL language) are used to interact with the data.
• Data security and integrity are ensured.
• Multi-user access with transaction control is supported.