few ETL concepts and SQL queries
Etl Developer Interview Questions
1,579 etl developer interview questions shared by candidates
Past work related to Pyspark and how I implemented those. How I used AWS to create a data pipeline.
Star schema s. Snowflake Schema
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
What is SCD and what are its type?
1. Normalizer transformation 2. How do you read from message queues in Informatica? 3. Scenarios for oracle SQL's and Informatica logic
what is a batch load
Few SQL based question.
Cast function in SQL - how would you validate your data if datatypes are changing from src to target
How much time do spend mentoring juniors
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