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Answer Posted / ashok
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What is lookup table in etl testing?
Hi, I've a mapping with flat file source The target update override property for the target table is using update stmt. There is no update strategy between source and target. Also The session has the target properties as Insert , Update as update options checked. Does this mean that recs will be inserted only and the update override will not be applied at all. Thanks
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1.Identify and discuss the problems which are occurred during data quality verification for the single-source and multi-source problems. 2.Testing has very important role in DWH. In ETL testing phase, how can we perform the integration testing and regression testing? 3.What are the perquisites of system testing and regression testing in ETL phase?
What do you understand by the term ‘transformation’?
Difference between flat files and relational sources?
how do u really know that paging to disk is happening while u are using a lookup transform?
Define slowly changing dimensions (SCD)?
where we cannot use sorter Transformation. if we use then we will not get correct data?
How to recover a workflow? What are the different approaches?( In prod i.e no access to modify)
What is fact? What are the types of facts?
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