What are cluster analysis in data warehousing?
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What is the difference between filter and lookup transformation?
Explain what is full load & incremental or refresh load?
What is the function of etl when used in data warehousing?
What is the difference between olap and oltp?
List down some of the real time data-warehousing tools?
What is surrogate key?
How can you import tables from a database?
Is it possible to have more than one row on the same table with the same foreign key?
Explain what are the vaious etl tools in the market?
Explain the definition of normalized and denormalized view and what are the differences between them?
what is query optimizer? what are different types of optimizer s supported by oracle ?
What's a Cube in Rolap?