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

Answers were Sorted based on User's Feedback



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

Answer / ram

star schema is better
it will maintain denormalised data and also query
performance is faster because it having less relationships
between the tables

but in snowflake schema it is opposite

Is This Answer Correct ?    15 Yes 0 No

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

Answer / chand

Star Schema is best choice...most of the project use star
schema. performance wise star schema is best.

Is This Answer Correct ?    5 Yes 1 No

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

Answer / 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

More Data Stage Interview Questions

A table containg 100 records B table containg 20 records we have to join two tables in left outer it containg target 100 records but target containg 101 record at that time what is the issue arise

3 Answers   Polaris,


What are the features of datastage flow designer?

0 Answers  


Scenario : I have 2 jobs say job A and Job B with parameters x and y respectively. I need to create a sequence job. If we pass parameter x then Job A should run, If we pass parameter y then Job B should run, if we dont pass any parameter then Both Job A & B should run.

4 Answers   iGate, Thirdware,


In merge stage can we update the values?

3 Answers   TCS,


In Datastage, how you can fix the truncated data error?

0 Answers  






What is data partitioning?

0 Answers  


source 1123445 I WANT OUTPUT AS DUPLICATES TO TARGET1 LIKE TARGET1 1144 NON-DUPLICATES TO TARGET2 TARGET2 235

6 Answers   US Technology,


count number of deptno in a emp table?

2 Answers   IBM,


how do u reduce warnings

1 Answers   CGI,


What is the purpose of pivot stage and types of containers in datastage

0 Answers  


What is the function in Transformer stage can act as Rank Function in oracle

1 Answers   Reliance,


How do you start developing a datastage project?

0 Answers  


Categories