DBMS stands for Database Management System. It is a software system that allows users to create, manage, and manipulate databases. A database is a collection of data that is organized in a structured way to facilitate efficient retrieval and manipulation of data. A DBMS provides a way to store, access, and manage the data stored in a database. 1- Relational DBMS 2- Object-oriented DBMS 3- Hierarchical DBMS 4- Network DBMS 5- NoSQL DBMS 6- In-memory DBMS 7- Time-Series DBMS