Explain Normalization concept?

Answers were Sorted based on User's Feedback



Explain Normalization concept?..

Answer / prasadhari_m@yahoo.com

Noramalization is process of desinnig the datamodel to
effentionley store the data in a database. to reduce the
redundancey.
1st normal form : Elimanate repating groups in individual
tables
Create separate table for ecah set of related data
Identify each set of related data with a primary key.
2nd normal form : Create separate tables for sets of values
that apply to multiply records
->relate these tables with a forgien key
3rd normal form : Elimanate fields that do not depend on
the key

Is This Answer Correct ?    29 Yes 2 No

Explain Normalization concept?..

Answer / neha keshri

The usual approach in normalization in database
applications is to ensure that the data is divided into two
or more tables, such that when the data in one of them is
updated, it does not lead to anamolies of data.

Is This Answer Correct ?    5 Yes 1 No

Post New Answer

More MySQL Interview Questions

How many services is running in sql server?

3 Answers   ACC, V2 Solutions,


What is the use of mysql_fetch_array () function in php?

0 Answers  


What is database in php mysql?

0 Answers  


Which is best pdo or mysqli?

0 Answers  


What is the maximum length of a table name, a database name, or a field name in MySQL?

4 Answers  






How do I create a database in mysql workbench?

0 Answers  


In which language mysql has been written?

0 Answers  


What is dbms in mysql?

0 Answers  


What is the limit of mysql database?

0 Answers  


Is mysql good for big data?

0 Answers  


How do you control the max size of a HEAP table?

1 Answers  


How to control the max size of a heap table?

0 Answers  


Categories