SQL Interview Question for Data Engineer/ Data Analyst || Medium Level SQL Query
In this video we have discussed a medium level SQL Query which was asked in Interview recently for Data Analyst, Data Engineer role. This query is solved using 2 techniques, first using simple CASE statement and second using LEAD and LAG SQl functions.
This query is helpful for students preparing for Data Analyst or Data Engineering Role.
Link for Question and Solution : https://docs.google.com/document/d/15...
To Understand LEAD and LAG : • SQL Window Functions | RANK, DENSE RANK, P...
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