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Database management system is software that is used to manage the database. The database is a collection of inter-related data which is used to retrieve, insert and delete the data efficiently. It is also used to organize the data in the form of a table, schema, views, and reports, etc.For example: The college Database organizes the data about the admin, staff, students and faculty etc.Using the database, you can easily retrieve, insert, and delete the information.Our Relational Database Management book includes all topics of DBMS such as introduction, ER model, keys, relational model, join operation, SQL, functional dependency, transaction, concurrency control, etc.