What is real-time datawarehousing?
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What is what are semi-additive and factless facts and in which scenario will you use such kinds of fact tables?
what is the difference between etl tool and olap tools
Explain how to export mappings to the production environment?
What is data analysis? Where it will be used?
Explain meta data?
Explain what is difference between query studio and report studio?
What are the types of SCD?
What is the difference between snowflake and star schema? What are situations where snowflake schema is better than star schema when the opposite is true?
Why is dimensional normalization not required?
Which one among Star and snowflake schemas will occupy more space?
How many clustered indexes can u create for a table in dwh? In case of truncate and delete command what happens to table, which has unique id.
What is is a star schema?