SQL query to find second highest salary
Data Engineer Interview Questions
20,279 data engineer interview questions shared by candidates
What do you want to do in life?
You have a table: MOVIEID, DIRECTORID Many to many (1 movie can have many directors and vice versa) For every movie find number of distinct other movies all of its directors directed (doesn't matter together or separately)
Past Experiences about my earlier job and projects
Spark ETL processor to get data from source and dump into sink
How do you debug dataset in terminal ?
Difference between dataset,dataframe in spark ?
What is outer join in SQL ?
Why do you want to join us?
Some SQL question and writing a script for formatting data in a text file
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