What is a DB, Rdbms, Normalization, users and roles

Question

Accepted Answer

DB is a collection of data stored in an organized manner. RDBMS is a software used to manage relational databases. Normalization is a process of organizing data to minimize redundancy. Users and roles are used to manage access to the database.

DB - collection of data stored in an organized manner
RDBMS - software used to manage relational databases (e.g. MySQL, Oracle)
Normalization - process of organizing data to minimize redundancy
Users and roles - used to manage access to the database (e.g. admin, read-only user)