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19 February 2018

What are the differences between DBMS and RDBMS

Differences between DBMS and RDBMS: 


DBMS
RDBMS
(i) DBMS Applications store data as file.
(i)RDBMS Applications store data in a tabular form. 
(ii) In DBMS, data is generally stored in either a hierarchical form or a navigational form.
(ii) In RDBMS, the tables have an identifier called primary key and the data values are stored in the form of tables.
(iii) Normalization is not present in DBMS.
(iii) Normalization is present in RDBMS.
(iv) DBMS does not apply any security with regards to data manipulation.
(iv) RDBMS defines the integrity constraint for the purpose of ACID (Atomicity, Consistency, Isolation and Durability) property.
(v) DBMS does not support distributed database.
(v) RDBMS supports distributed database.
(vi) DBMS uses file system to store data, so there will be no relation between the tables.
(vi) In RDBMS, data values are stored in the form of tables, so a relationship between these data values will be stored in the form of a table as well.
(vii) DBMS is meant to be for small organization and deal with small data, it supports single user.
(vii) RDBMS is designed to handle large amount of data, it supports multiple users.
(viii) DBMS model cannot achieve the structural and data independence.
(viii) Example of RDBMS are my sql, posture, sql server, oracle etc.
(ix) Examples of DBMS are file systems, xml etc.
(ix) RDBMS model can achieve both the structural and data independence.

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