Sunday, February 26, 2023

Characteristics / Advantages of Normalization

 Characteristics / Advantages of Normalisation :-


 After successful completion of normalisation proces resultant relation R Shows following Characteristic advantages- 

(i) Normalised relation doesn't have data redundency and inconsistency problem.


(ii) Normalised relation is very simple, clear and easy to understand and it will also represent database objects and their relationships.


(iii) Normalised database returns Very fast and hundred percent accurate results against any user's query, it  means it will increase the performance of database upto several times. 


(iv) Normalised database utilizes memory space of computer.


(v) Normalized database is free from all types of Anomalies like multi attribute, partial functional dependency, Transitive functional dependency, determinant problem,

multi-value dependency (mvd) and join dependency.

No comments:

Post a Comment

Nested SQL Query or SQL Sub Query in hindi in english

if a SQL query is used inside another SQL query then this type of SQL query is called sub-query.  यदि किसी SQL क्वेरी का उपयोग, किसी अन्य SQ...