SQL Server - RDBMS

Modern SQL servers are built on top of RDBMS.

DBMS - Database Management System

A database management system is a computer program that can access data in a database.

DBMS enables us to extract, modify, or store information in a database.

Different DBMS provide different functions for querying, submitting, and modifying data.

RDBMS - Relational Database Management System

A relational database management system (RDBMS) is also a database management system in which the database is organized and accessed based on the relationships between data.

In the early 1970s, IBM Company invented RDBMS.

RDBMS is the foundation of SQL and also the foundation of all modern database systems such as Oracle, SQL Server, IBM DB2, Sybase, MySQL, and Microsoft Access.