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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

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More Data Stage Interview Questions

On which interface you will be working as a developer?

0 Answers  


in source is like seq file in date column have dd-mm-yy dddd-mmmm-yyyy mm-dd-yy yy-dd-mm yy-mm-dd i want to display only yy-dd-mm date formats only in tgt?

2 Answers   Wipro,


In the source seq file have 2 columns, i.e input: col1,col2 1,1 2,rajesh 3,15000 4,2 5,suresh 6,16000 7,3 8,veeru 9,17000 I want in the output like: eno,ename,sal 1,rajesh,15000 2,suresh,16000 3,veeru,17000 any one answer this scenario

3 Answers  


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6 Answers   TCS,


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0 Answers  


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0 Answers   IBM,


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0 Answers  


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0 Answers  


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0 Answers  


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1 Answers   TCS,


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3 Answers   Wipro,


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