Difference between flat files and relational sources?
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how do u identify the changed records in operational data?
you have created a lookup transformation for a certain condition which if true returns multiple rows. when you go to the target and see only one row has come and not all. why is it so and how it can be corrected.
What are the different Lookup methods used in Informatica?
what do u do when DB time takes more?in sap bi
what is the indicator file and where it is used?
can u anyone plz share some etl testing interview question . and share the sql queries and unix . plz help me to clear in the etl testing interview by sharing ur knowledge
what is the meant by Normalization and de-normalization?
Define Dynamic push down optmization?
What is a mapping, session, worklet, workflow, mapplet?
Mention few test cases and explain them?
Explain me ETL project architecture in Detail?
Explain do we need an etl tool? When do we go for the tools in the market?