Types of DBMS

Relational Database :          A DBMS is said to be a relational DBMS or RDBMS if the database relationships are treated in the form of a table. There are three keys on relational DBMS.

        1.    Relation

        2.    Domain

        3.    Attributes

Hierarchical Database:          A DBMS is said to be hierarchical if the relationships among data in the database are established in such a way that one data item is present as the subordinate of another one.

Network Database:          A DBMS is said to be network DBMS if the relationships among data in the database are of type many-to-many.

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