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Etl Developer Interview Questions

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1,579 etl developer interview questions shared by candidates

Mostly the questions are from UNIX & Abinitio. 1. List the frequently used unix commands 2. How to copy single file into multiple copies 3. How to find the particular string occurrences in a file 4. How to view the content of a zipped file 5. Difference between Incremental Load & Full Load 6. How to find out the user created files in a directory
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ETL Tester

Interviewed at TransUnion

3.6★
Jul 9, 2019

Mostly the questions are from UNIX & Abinitio. 1. List the frequently used unix commands 2. How to copy single file into multiple copies 3. How to find the particular string occurrences in a file 4. How to view the content of a zipped file 5. Difference between Incremental Load & Full Load 6. How to find out the user created files in a directory

1. dataware housing concepts : difference between OLTP/OLAP ,difference between Fact/Dim 2. Informatica : difference between lookup/Joiner,types of tranformations , more on lookup and file loading 3. Database : how to delete dups from table, Cross join function , difference between delete/truncate ,difference between intersect/inner join, query approch 4. Informatica scenarios : read bulls raider for the same
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Informatica ETL Developer

Interviewed at Accenture

3.7★
Dec 28, 2017

1. dataware housing concepts : difference between OLTP/OLAP ,difference between Fact/Dim 2. Informatica : difference between lookup/Joiner,types of tranformations , more on lookup and file loading 3. Database : how to delete dups from table, Cross join function , difference between delete/truncate ,difference between intersect/inner join, query approch 4. Informatica scenarios : read bulls raider for the same

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