Star Schema vs. Snow Flake Schema. What is the best model
for DW? Give example for both the models performance wise?

Answer Posted / pavan

star schema is better than snow flake schema bcz star
schema maintained the denormalization its means allow
duplicates so i can say star schema is good

Is This Answer Correct ?    2 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What is the difference between account and directory options ?

622


What are the important features of datastage?

619


Name the third party tools that can be used in datastage?

618


Whats difference betweeen operational data stage (ods) and data warehouse?

671


1.new record it will insert but changes of natural key is not present in taget i want to update (here key is composite natural key )can any one help this to explan how to do

1656






What is the difference between the local container and shared container?

651


How do you import and export data into datastage?

703


How to perform incremental load in datastage?

670


How one source columns or rows to be loaded in to two different tables?

664


What are the processing stages?

644


What are the stages in datastage?

639


what are .ctl(control files) files ? how the dataset stage have better performance by this files?

2182


Difference between IBM DATA STAGE8.5 and DATA STAGE9.1 ?

3381


How and where you used hash file?

659


How can you write parallel routines in datastage PX?

620