What is the basic difference between DBMS and RDBMS?

The basic difference between DBMS and RDBMS is that in the manner data is stored. DBMS store data in key- value pair whereas RDBMS stores data in the form of relations/tables.

Name some RDBMS-based systems used widely?

Some widely used RDBMS systems are SQL, PostgreSQL, MySQL and Oracle. These RDBMS systems are used in range of web and desktop applications.

What is the difference between DBMS and RDBMS in terms of speed?

There exists many difference between DBMS and RDBMS but in terms of speed or accessing speed of data RDBMS provides faster access because of tabular organization of data while DBMS has slow access speed.

How many rules are defined by E.F. Codd for RDBMS model?

E.F. Codd proposed 12 rules/ protocols to define a model as RDBMS. If a model follows all the 12 rules then it is termed a true RDBMS model.

What is the difference between DBMS and RDBMS in terms of security to data?

In terms of security RDBMS provides more security to data than DBMS. RDBMS follows layered approach to protect the integrity and correctness of data. In DBMS data security is not ensured to the user.

Difference Between DBMS and RDBMS

By Mona Kumari|Updated : April 19th, 2022

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Difference Between DBMS and RDBMS: DBMS or database management system is software that is used to manage the database. To store, manage, and retrieve data we use DBMS. In this article, we will learn about the difference between DBMS and RDBMS which is a database management systems and relational database management systems respectively. We have a humongous amount of data on the internet, our systems, servers, etc do you ever think about where this data is stored? How are we able to access the data? All these questions will be well answered while learning the difference between DBMS and RDBMS.

Before starting with the difference between DBMS and RDBMS, let’s understand some basics about databases. To organize data we have various types of DBMS software such as Oracle, MySQL, PostgreSQL, etc. This software is used in various applications to manage data. Also, we have different DBMS systems available in the market like flat-file systems, RDBMS(Relational DBMS), Hierarchal DBMS, Network DBMS, etc out of these variants we will only focus on the difference between DBMS and RDBMS.

Table of Content

1. What is DBMS?
2. Tasks that DBMS allows its user to perform
3. What is RDBMS?
4. Difference between DBMS and RDBMS

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What is DBMS?

The database is a collection of inter-related data that is used to retrieve, insert and delete the data efficiently. It organizes the data in the form of a table, schema, views, reports, etc. It provides an interface to perform various tasks like creating databases, manipulating of data, updating data, storing data, etc.

Tasks that DBMS allows its user to perform

DBMS allows its user to perform various tasks on a vast variety of data. Operations that a user can perform to update, alter, delete, retrieve data in a DBMS system are discussed below:

Data Definition: DBMS allows users to create, modify and organize data in the database.
Data Updation: Users can insert, modify and update actual data.
Retrieval of data: One can retrieve data using database queries.

What is RDBMS?

RDBMS stands for the relational database management system, it is called so because it uses the relational model for storing, accessing, and retrieving data. This model is based on the twelve rules introduced by E.F. Codd. If the database follows all the rules then it is termed a true relational database (RDBMS). Following are the rules:

The foundation rule.
Information rule
Guaranteed access rule
Systematic treatment of null values
Dynamic online catalog based on the relational model
Comprehensive data sublanguage rule
View updating rule
Relational level operation rule
Physical data independence rule
Logical data independence rule
Integrity independence rule
Distribution independence rule
Non-subversionon rule

Difference between DBMS and RDBMS

Knowing about the DBMS(database management system) and RDBMS(relational database management system) now we can discuss the difference between them.

DBMS	RDBMS
Data is stored in file format	Data is stored in relations/table format
Individual data values can be accessed	Multiple data elements can be accessed together
Normalization of data helps in removing data repetition and redundancy	Normalization is not present in RDBMS
Data is stored in small quantity	Data is stored in large quantity
It supports single-user access.	It supports multiple user access.
Data fetching is slower	Data fetching is fast because of the relational approach
Low security of data	Multiple levels of security for data in RDBMS
There is no relation between data elements in DBMS	Data is stored in the form of tables, therefore data is linked in RDBMS
Examples: XML, HTML, Window Registry, etc.	Examples: SQL, MySQL, PostgreSQL, etc.

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FAQs

What is the basic difference between DBMS and RDBMS?
The basic difference between DBMS and RDBMS is that in the manner data is stored. DBMS store data in key- value pair whereas RDBMS stores data in the form of relations/tables.
Name some RDBMS-based systems used widely?
Some widely used RDBMS systems are SQL, PostgreSQL, MySQL and Oracle. These RDBMS systems are used in range of web and desktop applications.
What is the difference between DBMS and RDBMS in terms of speed?
There exists many difference between DBMS and RDBMS but in terms of speed or accessing speed of data RDBMS provides faster access because of tabular organization of data while DBMS has slow access speed.
How many rules are defined by E.F. Codd for RDBMS model?
E.F. Codd proposed 12 rules/ protocols to define a model as RDBMS. If a model follows all the 12 rules then it is termed a true RDBMS model.
What is the difference between DBMS and RDBMS in terms of security to data?
In terms of security RDBMS provides more security to data than DBMS. RDBMS follows layered approach to protect the integrity and correctness of data. In DBMS data security is not ensured to the user.