Null values are not allowed in BigQuery arrays. How can you account for this when creating a new array with the ARRAY_AGG function?
Senior Data Engineer Interview Questions
2,549 senior data engineer interview questions shared by candidates
Have you used DynamoDB and Lambda?
In coding challenge I received a task to normalize input data.
Completing the coding challenge. I did not move on to the next stages.
Design a pipeline based on a given scenario
Mostly concentrated on GCP services and advanced SQL questions.
How do deal with incident retrospective?
Describe that this Linux line represents
what i want for a job
1.Asked about the architecture of the current project 2.How to display sum of negative and positive values in different columns in a single column? 3.What is the difference between Union and Union All? 4.Outputs and count of rows for all different joins? 5.Difference between Union and Full outer join? 6.How to display the name of student whose aggregate is more than 200 in students table?
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