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Etl Testing Interview Questions
71 etl testing interview questions shared by candidates
Grain of fact, olap, oltp, cube concepts etc. Questions on etl flow
Etl basics Data acccuracy,data quality testing,joins,functions
should be well versed with sql.
related to ETL testing
Interview process was Moderate, Panel was friendly
any critical moment during current work and turnaround
current job profile
ETL tool related questions if you have hands-on
Q. Most questions about what could be the result from two table data presented before us . Minus , Left outer Join ( Duplicate Twist ) , Union vs Union ALL , ROW_NUMBER () ,Rank () , DENSE_RANK() ..etc , Q.Which Architecture do you use in your Project ( STAR vs SnowFlake - Why SF is not Good ?) Q. What is Surrogate Key Q. How did you validate Data from Stage to EDW - Example Q. What is your Validation Strategy on Large data set Q. SCD Type - Example pls
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