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What is meant by metadata in context of a data warehouse and how it is important?
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WHAT IS FACT LESS FACT TABLE?
wht is degenerated dimension ?it's uses?
What is multi-dimensional analysis?
Explain meta data?
What are the different types of fact tables used in data warehousing?
Why do we use DSS database for OLAP tools?
Explain clustering algorithm?
What is DTM session?
Explain what is what are semi-additive and factless facts and in which scenario will you use such kinds of fact tables?
What is a data profile?
Why joiner transformation does not allow the aggregator transformation and expression transformation to join
What is the main difference between schema in rdbms and schemas in datawarehouse?
Teradata 
