What are the differences between datamart vs. Reporting cube?
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Describe the differences between a data warehouse and data mart.
Explain some of modeling tools available in the market?
What is cost benefit analysis (cba)?
how do you use commit frequencies? how does it affect loading performance?
what is the use of surrogate key in businessobjects
What are the key features of chameleon that separates it from other algorithms?
Explain where do we use semi and non additive facts?
What is factless fact schema?
What are the different types of join operations?
Explain clustering algorithm?
What are the tools available for etl?
explain about dirty dimension?