is it sufficient to normalize a database up to 3NF?

Answers were Sorted based on User's Feedback



is it sufficient to normalize a database up to 3NF? ..

Answer / ramesh

3NF is morethan enough.

Is This Answer Correct ?    3 Yes 1 No

is it sufficient to normalize a database up to 3NF? ..

Answer / praveen hattikal

It all depends on users aproach towards data
selec/inserts/updates
... Normelization affects data retrival severely.
we can go up to BCNF

Is This Answer Correct ?    2 Yes 0 No

is it sufficient to normalize a database up to 3NF? ..

Answer / shwetal

If possible It should be normalize upto BCNF but it completely depends on the data

Is This Answer Correct ?    1 Yes 0 No

is it sufficient to normalize a database up to 3NF? ..

Answer / jdfiji

dependent on application. Most transactional based
databases require this to avoid duplication etc. However,
OLAP, these type of databases (typically those used in data
warehouses etc.) are not necesarrily normalised as they are
built for performance of querying the data contained within.

Is This Answer Correct ?    0 Yes 0 No

Post New Answer

More Database Management Interview Questions

What is the purpose of a model?

0 Answers  


What is the advantage of the database management approach

0 Answers   Infosys,


When the SYSTEM TABLESPACE can be made off-line ?

2 Answers  


What is a logical backup ?

3 Answers   Wipro,


What is openedge workgroup rdbms?

0 Answers  






Explain the components of rdbms?

0 Answers  


I have 2 tables with 1 million rows each. I have updated 1 row in first and 1 million update on second table. Now I commit both the updates. Which one will commit fast and Why?

0 Answers  


8. Sort, Lookup What kind of technique (partition) is used? 9. How can you handle exceptions in job sequencer? 10. How do you apply custom conditions an exceptions (How do you trigger exceptions in job sequence?) 11. I have a job with 3 possibilities? Finish with ok…..Abort…….Warning} How do you handle these in Job sequencer 12. How do you connect both OK and Warning can we? 13. How to find which process is running currently? 14. How do you find the disk usage in UNIX? 15. How do you combine 2 sequential files having same metadata of same file names? 16. How do you implement SCD in Ds? 17. Explain the situation where you have applied? 18. How do you apply new changes to? 19. Difference between change capture and Change apply? 20. Explain Compare Stage? 21. What is Surrogate key? 22. How to solve the problem of null values?

0 Answers   IBM,


Explain the terms database and dbms?

0 Answers  


What are the differences between hash join, merge join and nested loops?

0 Answers  


What is database connection pool size?

0 Answers  


Explain what is a deadlock and mention how it can be resolved?

0 Answers  


Categories