Explain the importance of data warehouse?
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Explain what are the steps to build the data warehouse?
Explain differences between star and snowflake schemas?
What is surrogate key? Where we use it? Explain with examples.
What are the mapping paramaters and maping variables?
Is union transormation is active transformation?
Can any one explain the hierarchies level data warehousing.
What is the purpose of Dataware Control?
What are CUBES?
What's a Cube in Rolap?
What are vaious etl tools in the market?
Explain me what are data marts?
In document how to create metrics?