Advantages of DW , SQL Joins and SQL Queries.
Etl Developer Interview Questions
1,579 etl developer interview questions shared by candidates
Almost all questions were related to the technical tasks I was about to be responsible for.
How to find duplicate data in sql? What is SCD type 2?
Explain update strategy
1st round is written so no interview questions
What are joins. Explain the difference between Inner and outer Join
What ETL tools you have worked on and experience with Powercenter and IICS
Data modeling, normalization, informatica, teradata, describe toughest coding challenge & how you handled it.
Some tricky questions in SQL joins where there are NULLS and what the result set would be
Q. Explain End-to-End Testing done in ETL Testing.
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