what is the difference between OLTP database and data
warehousing database?
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Answer Posted / kaki
OLTP
1. Normalized database; having lot of joins. Hence, slow
2. INSERT, UPDATE, DELETE immediately refelects data in the
OLTP transactional database.
OLAP
2. Denormalized database; having lesser joins. Hence,
performance is good.
3. Need a tool like ETL to populate the database; Data may
not be seen immediately after creation unless ETL populates
it.
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