What Is Database Management System (DBMS), Define DBMS, DBMS Viva Questions With Answers, Functions Of DBMS, DBMS What Do
A database management system (DBMS) is a collection of programs that enables users to create & maintain a database. It facilitates the definition, creation and manipulation of the database.
Definition – it holds only structure of database, not the data. It involves specifying the data types, structures & constraints for the data to be stored in the database.
Creation –it is the inputting of actual data in the database. It involves storing the data itself on some storage medium that is controlled by the DBMS.
Manipulation-it includes functions such as updation, insertion, deletion, retrieval of specific data and generating reports from the data.
DBMS Functionality
Define a database : in terms of data types, structures and constraints
Construct or Load the Database: on a secondary storage medium
Manipulating the database : querying, generating reports, insertions, deletions and modifications to its content
Concurrent Processing and Sharing by a set of users and programs: yet, keeping all data valid and consistent
Other features:
Protection or Security measures to prevent unauthorized access
“Active” processing to take internal actions on data
Presentation and Visualization of data
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