What are the stages that are required in data warehousing?
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1.WHAT IS DATA MART ?
What is difference between e-r modeling and dimensional modeling?
List down some of the real time data-warehousing tools?
What are parallel querys and query hints?
How can we run the graph? How can we schedule the graph in unix?
Explain what is the difference between powerplay transformer and power play reports?
Explain hybrid slowly changing dimension?
Can you explain how analysis service works?
State any 5 of Cods guidelines of an OLAP system, brief description each?
Explain about core dimension, balanced dimension, and dirty dimension?
What is the difference between filter and lookup transformation?
What is the main difference between schema in rdbms and schemas in datawarehouse?