In document how to create metrics?
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What are the various transformation available?
What is Molap and Rolap? What is Diff between Them?
Why is chameleon method used in data warehouse?
What are the difference between snow flake and star schema? What are situations where snow flake schema is better than star schema to use and when the oppositeis true?
What is the metadata extension?
How to join 3 database like flat file, oracle, db2 in informatrica?
Explain what is the difference between power center & power mart?
Tell me what is full load & incremental or refresh load?
For faster process, what we will do with the universe?
Teradata 
