Data structures for big data use-cases.
Senior Data Engineer Interview Questions
2,569 senior data engineer interview questions shared by candidates
General behavioral, resume, some technical concepts
SQL Query Writing: **Table A** Columns: col1 col2 **Table B** Columns: col3 col4 There is no common column to implement the JOIN condition and the Required Output is: col1, col2, col3, col4
SQL Query Writing: **Table EMP** Input Columns: EMPID, DEPID, SAL, DOJ Output Columns: EMPID, DEPID, SAL, DOJ, NEXT_SAL NEXT_SAL can be derived as the salary of immediate next employee in the given records.
Which AWS services you have used (Hands-On)? Tell me one use case and one limitation of AWS Lambda function?
Describe your background, explain your data engineering expertise and so on.
Give an example of design patterns
Why do you want to work here?
Specific questions revolved around Spark's internal optimisations for SparkSQL and others.
what is your highschool name
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