What is de-normalization and when do you do it?

Answers were Sorted based on User's Feedback



What is de-normalization and when do you do it?..

Answer / swapna

As the name indicates, denormalization is the reverse
process of normalization. It's the controlled introduction
of redundancy in to the database design. It helps improve
the query performance as the number of joins could be
reduced.

Is This Answer Correct ?    7 Yes 3 No

What is de-normalization and when do you do it?..

Answer / praveen

Denormalization is a technique to move from higher to lower
normal forms of database modeling in order to speed up
database access.

Is This Answer Correct ?    1 Yes 0 No

What is de-normalization and when do you do it?..

Answer / praveen

If the database developer might want a reversal of
normalization to improve performance is called
denormalization.

Is This Answer Correct ?    0 Yes 1 No

Post New Answer

More SQL Server Interview Questions

how many types of store procedre in sqlserver 2000?

2 Answers   ATI,


How to delete multiple rows with one delete statement in ms sql server?

0 Answers  


What is the difference between Procedure and Function

4 Answers   Accenture, Nagarro, TCS,


How to stop log file growing too big?

0 Answers  


What are the basic features of a trigger in ms sql server?

0 Answers  






how to take backup bcp out for a column in table in sql server?

0 Answers  


What is sqlservr.exe - process - sql server (sqlex?press)?

0 Answers  


What is indexing explain it with an example?

0 Answers  


What are different type of Collation Sensitivity?

0 Answers  


How to write a script for upate the data in prod , i have 50000 row are there

2 Answers   TCS,


What should be the fill factor for indexes created on tables? : sql server database administration

0 Answers  


can an automatic recovery be initiated by a user? : Sql server administration

0 Answers  


Categories