ETL (Extract, transform, load) Question:
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Explain What are the various transformation available?

Answer:

Aggregator Transformation
Expression Transformation
Filter Transformation
Joiner Transformation
Lookup Transformation
Normalizer Transformation
Rank Transformation
Router Transformation
Sequence Generator Transformation
Stored Procedure Transformation
Sorter Transformation
Update Strategy Transformation
XML Source Qualifier Transformation
Advanced External Procedure Transformation
External Transformation

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Explain the process of extracting data from source systems,storing in ODS and how data modeling is done?Explain the difference between etl tool and olap tools?