What are the differences between star and snowflake schema?
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What is ETL process in Data warehousing?
Why should we use data ware housing and how can you extract data for analysis with example?
What is metadata in context of a datawarehouse and how it is important?
What is Time Series algorithm in data mining?
What are the design methods of data warehousing?
What are the different types of Fatcs? Explain with example only
What are the various file formats involved in reportnet?
What is data cleaning? How can we do that?
Explain what are fact, dimension, and measure?
List down some of the real time data-warehousing tools?
for data loading in oracle, what are conventional loading , what are conventional loading and direct-path loading?
what is user variable in affinium campaign? and some real time examples.