RDBMS is stand for (Relational Database Management System) and in this Database all the records are stored in the form of Relation form and this type of database management system stores data in the form of related tables. It is powerful because they require few assumptions about how data is related or how it will be extracted from the database. An important feature of relational systems is that a single database can be spread across several tables. This differs from flat-file databases Most modern commercial and open-source database applications are relational in nature. RDBMS is most important relational database features include an ability to use tables for data storage while maintaining and enforcing certain data relationships.