What is database normalization?

Answers were Sorted based on User's Feedback



What is database normalization?..

Answer / koti-khammam

It is the process of removing redundancy(repeated data) by
splitting the tables into smaller tables.

Is This Answer Correct ?    37 Yes 3 No

What is database normalization?..

Answer / anirudh

Normalization is breaking the database into different
tables and defining a relationship between them.
Objective is to isolate the data so that additions and
deletions can be made in one table and propagated to other
tables through relationships.

Is This Answer Correct ?    20 Yes 1 No

What is database normalization?..

Answer / shruti

Normalization is the process of breaking tables of a
database into smaller tables and defining relations between
them to make them more flexible, efficient and to remove the
modification anamolies from the database.

Is This Answer Correct ?    15 Yes 1 No

What is database normalization?..

Answer / kranthi

Normalization is the process of structuring relational
database schema such that most ambiguity is removed. The
stages of normalization are referred to as normal forms and
progress from the least restrictive (First Normal Form)
through the most restrictive (Fifth Normal Form).

Is This Answer Correct ?    8 Yes 1 No

What is database normalization?..

Answer / dr. tawfik khattab

Normalization is the process of efficiently organizing data
in a database.
The goals of the normalization process asfollows:
1- Eliminating redundant data
2- Ensuring data total dependence on the Pk or on the
Composite PK

Is This Answer Correct ?    6 Yes 1 No

What is database normalization?..

Answer / padmapriya

Noramalization is process of breaking the information into
well defined tables which should follow some rules. There
are 5 Normal forms available. Each one having a separate
rule.
1NF-Avoid redundant data
2NF-All coulms except primary key column should be related
to the primary key column
3NF,4NF and 5NF - I'dont remember , if any one knows please
reply

Is This Answer Correct ?    3 Yes 2 No

What is database normalization?..

Answer / maskfriend

Normalize the data from the detabase.It reduces by the
normalisation rule like(there are 4 normalization rule and
BCNF)

Is This Answer Correct ?    10 Yes 11 No

Post New Answer

More SQL Server Interview Questions

what is the difference between table and view

1 Answers  


How many joins in sql server?

0 Answers  


Why would you call update statistics?

0 Answers  


What is log cache in sql server?

0 Answers  


What do you mean by normalisation?

0 Answers  






What happens if an integer is too big for int date type?

0 Answers  


What value could be assigned to Varchar Type?

3 Answers  


I have a table in which phno is one of the columns.i do have some values in tht phno column.i need to update phno column values with 0(zero) as prefix.give me a correct solution plz...

7 Answers   Value Labs,


What is database dimension? : sql server analysis services, ssas

0 Answers  


Following are some of the question related to below mentioned query? select e1.salary from employee3 e1 where 2= ( select count(distinct(e2.salary)) from employee3 e2 where e2.salary>=e1.salary ) 1) What the query returns? 2) How it works? - Detail explanation (what the sub query does, why it is (where 2=)....etc...Please?

5 Answers  


What are the instances when triggers are appropriate?

0 Answers  


How to get the definition of a stored procedure back?

0 Answers  


Categories