What is surrogate key? Explain with examples.
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Are facts same as metrics and dimensions same as measures? If not , please tell the difference?
Explain ddl (data definition language)?
what is the difference between MOLAP and ROLAP?
What is many-to-many dimensional model in datawarehousing ?
What is a fact table?
What are the key columns in Fact and dimension tables?
Can we have more than one time dimensions in a Schema(Star or Snowflake)
difference between For each and for all
Is union transormation is active transformation?
What is defined as partial backup?
Can a dimension table contain numeric values?
What is aggregate awareness?