When it comes to managing and maintaining data, the first thing that comes to
our mind is DBMS. In particular, most people know that DBMS helps us manage
data systematically. But the question may come into their mind that what is
the full form of DBMS?
In this article, we have briefly covered the most important things about DBMS,
such as the DBMS full form, what is DBMS, its definition, history, types,
characteristics, and more.
What You Will Learn
What is the full form of DBMS?
DBMS is a short form of ‘Database Management System’. It is nothing but computer software designed primarily to help users in
managing databases. It is one of the easiest, reliable, and efficient methods
used for data processing and management. Some popular DBMS software are MySQL,
SQL Server, Microsoft Access, Oracle, PostgreSQL, etc.
The full form of DBMS can be explained as:
| D | Data |
| B | Base |
| M | Management |
| S | System |
Note: It is important to note that the word 'database' is a single word
and should always be written accordingly. A database refers to an organized
collection of data or structured information, which is stored electronically
or digitally. Typically, databases use a structured query language (short for
SQL) to write and query data.
Let’s talk about what DBMS is:
What is DBMS?
DBMS is a set of computer programs and utilities that allow end-users to
interact with the database. It acts as system software and also makes it
possible for users to create, read, update, or delete data in a database. A
database management system typically works as an interface between the
database and the end-user or third-party software, ensuring that the data is
effectively stored, and easily accessible.
A DBMS operates primarily through system commands, first receiving
instructions from the database administrator, and then instructing the
operating system accordingly, either to access the data, retrieve the data,
alter the data, or load existing data from the system. Moreover, DBMS also
allows users to create their own data accordingly. Some essential DBMS
examples are columnar database management systems (CDBMS), in-memory database
management systems (IMDBMS), cloud-based database management systems, and
NoSQL in DBMS.
Definition of DBMS
"A database management system (DBMS) is defined as a set of computer programs
in a software package designed specifically for the creation, maintenance, and
use of databases by following appropriate security measures."
Brief History of DBMS
The first DBMS system was designed in 1960 by Charles Bachman. Later in 1970,
Codd introduced Information Management System (IMS) at IBM. With the
continuous development, there were many other systems, such as ER model,
relational model, etc. In 1985, the object-oriented DBMS model came into
existence, which was upgraded to Object-Orientation Relational DBMS in 1990.
While there were many developments, in 1991 Microsoft displaced almost all
personal DBMS products through MS Access. However, it was not supported to
work with the Internet. Later in 1995, the first Internet-based database
application was developed. The use of XML was integrated in 1997 for database
processing. Nowadays, there are many database management systems.
Characteristics of DBMS
The most common characteristics of DBMS are listed below:
• DBMS helps us to create the database.
• DBMS helps us to get the desired information from the database.
• Users can efficiently update and manage the database using DBMS.
• DBMS provides a multi-user environment that helps multiple users to
access or manipulate data in parallel.
• DBMS adds security to the database and removes redundancy.
Types of DBMS
There are mainly four types of DBMS systems, such as:
• Hierarchical Databases: Data is organized in a tree-like structure.
• Network Databases: All entities are organized in the form of graphical representations.
• Relational Databases: Data is organized in the form of logically independent tables.
• Object-Oriented Databases: Data is organized in the form of objects.
DBMS Vs RDBMS
A
relational database management system (RDBMS)
is a software package with computer programs that help users create, update,
and manage a relational database, which is distinguished by the structured
data in logically independent table forms.
Some important differences between DBMS and RDBMS are given below:
| DBMS | RDBMS |
|---|---|
| The data is structured in a hierarchical form. | The data is structured in tabular form. |
| DBMS can be used to manage small amounts of data. | RDBMS can be used to manage an unlimited amount of data. |
| DBMS does not support distributed databases. | RDBMS supports distributed databases. |
Read More:
Difference between DBMS and RDBMS
Advantages of DBMS
The following are the advantages of DBMS:
• DBMS provides a wide range of technologies that help users to store
and retrieve data efficiently.
• DBMS processes query at a much faster speed than traditional file
systems.
• DBMS provides data integrity and security. Besides, it removes data
inconsistencies and redundancy controls.
• DBMS efficiently reduces application development time.
• DBMS provides an interface for many users. Besides, it can allow
users to schedule concurrent access to data in such a way that only one user
can use the same data at a time.
Disadvantages of DBMS
The following are the disadvantages of DBMS:
• DBMS requires some software and hardware, along with people
specializing in working on DBMS. This ultimately increases the overall cost.
• DBMS needs to be kept up to date with regular updates to prevent
security risks.
• In case of power failure or corrupted storage, all data integrated
into the database may be damaged or lost.
• Multiple users operate the same program and database, which can
sometimes result in data loss due to overloading.
• DBMS cannot process sophisticated calculations.
Summary
DBMS (stands for ‘Database Management System’) is a database program that is
mainly used to create, maintain, and use databases using database
administrators (DBAs). Besides, a database is an organized set of data
records, files, and other objects.
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