SQL query to find second highest salary
Data Engineer Interview Questions
Data Engineer Interview Questions
Data engineers are IT professionals who are needed in almost every industry. Data engineers monitor data trends to determine best next steps for companies. A critical part of a data engineer job is to process raw data into usable data by creating data pipelines and building data systems.
Top Data Engineer Interview Questions & How To Answer
Question #1: Can you describe in detail your level of expertise with programming languages?
Question #2: Explain data engineering in your own words.
Question #3: Can you describe your experience working with Apache Hadoop and cloud data management environments?
20,252 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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