The difference between an inner, left, and right SQL join.
Senior Data Engineer Interview Questions
2,599 senior data engineer interview questions shared by candidates
-Experience and technical questions around SQL, data science, data engineering, ETL, AWS.
Left view of tree
If you had 4 days to complete a task but it was reduced to 2 days what would you do.
Optimisation techniques SQL query optimisation Sort key and Dist key List and tuple
How do you scale up the RDBMS database?
Spark, SQL, Hive, Scala, Azure related questions. SQL queries, somewhat coding.
Define 3 KPIs for Trafilea
About spark basics, RDDs, etc.
reservoir sampling
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