----------------Diff b/w Dimensional modeling and
Relational modeling?

Answers were Sorted based on User's Feedback



----------------Diff b/w Dimensional modeling and Relational modeling?..

Answer / chiranjeevi

Relational modelling:
Data modelling of transactional systems

Dimensional modelling:
Data modelling of decision support
systems

Is This Answer Correct ?    8 Yes 1 No

----------------Diff b/w Dimensional modeling and Relational modeling?..

Answer / pooja

Dimensional Model:
A denormalized relational model made up of tables with
attributes. Relationships defined by keys and foreign keys
Organized for understandability and ease of reporting rather
than update Queried and maintained by SQL or special purpose
management tools. Optimized for retrieval, the data
warehousing model.

Relational Model:
The Transaction Processing Model that Minimize data redundancy
since it is normalized.

Disclaimer: This posting is provided AS-IS with no
warranties or guarantees and confers no rights.

Is This Answer Correct ?    4 Yes 1 No

Post New Answer

More Cognos Interview Questions

Can you define a datastore in cognos?

0 Answers  


When You Import data into catalog You have complex columns names. How do you change the Name of those columns?

2 Answers  


6. Which of them will increase the performance?

1 Answers  


9. What was the most complex type of report you dealt with?

0 Answers  


In a Single page we are having 3 list. While running each has to populated in separate page?

2 Answers   TCS,






how do you deploy a report in cognos 8 to run in maximo6? what r the steps in maximo??

0 Answers   IBM,


Can i apply drill through on master detail relationship report?

2 Answers   TCS,


What is an olap designer?

0 Answers  


what is an sid (surrogate key)?

2 Answers   IBM, Oracle,


-------------What is Coditional Prompting?

0 Answers   IBM,


can any body clesrly explain about types of query subjects.that is data source query subject,model query subject,stored procedure query subjects?

1 Answers  


data import to models, datastores,stored processed, is there any other way to import data?

1 Answers   TCS,


Categories