What is dimensional modelling?
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what is parallelism?
What is vldb(very large databases)?
What is the goal of optimizer?
What are the different types of schemas used in data warehousing?
Explain what is ods (operation data source)?
Explain what is metadata reporter?
What are fundamental stages of data warehousing?
What are snapshots? What are materialized views & where do we use them?
What are various warehousing tools?
What is hybrid slowly changing dimension?
Why fact table is in a normal form?
Which one among Star and snowflake schemas will occupy more space?