Database Management System DBMS

What is a DBMS?

A DBMS (Database Management System) is a software with which one or more databases can be created. A database is an electronic management system that contains information in the form of data. It is managed in a way that information can be easily accessed and changed if necessary. Databases can also be divided into further classes, depending on their content.

The main functions of a DBMS are as follows:

  • Saving, deleting, and overwriting of data.
  • Managing the metadata of a database.
  • the organization of the data based on the underlying data model.
  • the definition of data types and attributes.
  • the provision of database operations for writing and reading data access and for searching.
  • ensuring data security and data protection.
  • ensuring data integrity.
  • provision of communication interfaces for multi-user access.
  • optimization of the database for fast and high-performance access and queries as well.
  • provision of reports and key figures on parameters, technology, and operating data of the DBMS.

A database manager’s job is to keep the integrity of the data in check and provide access to authorized users only. Usually, a DMBS is a relational database management system, which is accessed or queried using the Structured Query Language (SQL) as the standard interface for systems and users.

A DMBS works like a file manager that takes care of managing data in databases rather than files in file systems. In the IBM mainframe operating system, non-relational data managers are called access methods. The management system is an important component of the overall database product. Microsoft Access is a good option for small businesses and individual users.