What is DBMS? What are the features of DBMS?
Answers
Answer:
There are several features that distinguish a Relational DBMS from a DBMS, including: Structure: Where data is structured in hierarchical form in a DBMS, data is structured in tabular form in a RDBMS. User capacity: A RDBMS is capable of operating with multiple users. DBMS can only manage one user at a time.
Answer:
❥DEFINATION
A Database Management Software or DBM software is used for storing, manipulating, and managing data, such as format, names of fields, and record and file structures in a database environment. Users can construct their own databases using a DBMS to satisfy their business requirements. For example, dBase was one of the first DBMS for micro-computers. Database design also supports the creation, design, implementation, and maintenance of an organization-wide data management system.
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❥Main Features of a DBMS
An efficient database management software should have the following features:
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✯ Low Repetition and Redundancy
In a database, the chances of data duplication are quite high as several users use one database. A DBMS reduces data repetition and redundancy by creating a single data repository that can be accessed by multiple users, even allowing easy data mapping while performing ETL.
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✯Easy Maintenance of Large Databases
Most organizational data is stored in large databases. A DBMS helps maintain these databases by enforcing user-defined validation and integrity constraints, such as user-based access.
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✯Enhanced Security
When handling large amounts of data, security becomes the top-most concern for all businesses. A database management software doesn’t allow full access to anyone except the database administrator or the departmental head. Only they can modify the database and control user access, making the database more secure. All other users are restricted, depending on their access level.
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✯Improved File Consistency
By implementing a database management system, organizations can create a standardized way to use files and ensure consistency of data with other systems and applications. Manipulating and streamlining advanced data management systems is essential. The application of an advanced database system allows using the same rules to all the data throughout the organization.