Etl Developer Interview Questions

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What actually happens internally when you fire select query. Questions based on index, partitions, joins, etc. Data modelling questions. What can be done if insert is taking time. Between merge and update which one is better.
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Senior ETL Developer

Interviewed at Onity Group

3.7
Sep 23, 2016

What actually happens internally when you fire select query. Questions based on index, partitions, joins, etc. Data modelling questions. What can be done if insert is taking time. Between merge and update which one is better.

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