Past work related to Pyspark and how I implemented those. How I used AWS to create a data pipeline.
Etl Engineer Interview Questions
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Star schema s. Snowflake Schema
What is SCD and what are its type?
What is informatica power center
Case vs decode Scd 1 scd 2 How to test old loaded data in DW which is not present in source Join condition on null, empty and duplicate
Explain the query optimization techniques
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