Relational DataBase Management System

A Relational DataBase Management System or RDBMS is a software application or system for managing relational databases. A RDBMS lets a user (or application) to interact with a database by issuing commands using a conventional or standardized syntax.

Examples of RDBMS includes SQLite, Microsoft SQL Server, PostgreSQL# and MySQL.

Every RDBMS varies in complexity and robustest, however they all have the same underlying language in common: Structured Query Language (SQL).

NoSQL

Non-relational data storage and retrieval models exist, such as MongoDB, which uses a document-oriented data storage model.

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