maximum contiguous subarray problem..
Sr Data Engineer Interview Questions
2,621 sr data engineer interview questions shared by candidates
Clustered vs Non-clustered index? Schema changes? Incremental loads?
Give an example of a time you made/discovered a mistake and it would affect delivery. What did you do?
coding question; variation of TwoSum - return the number of all pairs that sum to given number. e.g for [3,3,3,3] need to return 6
Diferencia entre star schema y snowflake schema
How to process multiple files (JSON, ORC & parquet) In aZure stack.
There was an interactive live debugging session for a theoretical failing ETL job.
How would you insert new records into a table, and update existing data if the record had changed?
Banking application code verification, bug fixes and performance improvement.
1) Imagine you are data modeling Netflix and create the entities and relationships involved using a modeling tool. 2) follow a link to a sql tool which shows 4 tables. Run some provided sql to populate the tables, Create the sql to aggregate the data and provide a result set showing the top row.
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