LeetCode
Question
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Jan 2022
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New York
Amazon (L5 BIE)| Phone screen | SQL/Database Questions + Analytical
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Question 1: You have first two columns in the below table, how do you display the third column like shown below Table1: dw_run_date units Rolling_3_day_demand 4/20/2020 0:00 10 10 4/21/2020 0:00 20 30 4/22/2020 0:00 30 60 4/23/2020 0:00 40 90 4/24/2020 0:00 50 120 4/25/2020 0:00 60 150 4/26/2020 0:00 70 180 4/27/2020 0:00 80 210 4/28/2020 0:00 90 240 4/29/2020 0:00 100 270 4/30/2020...
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This is a reported interview question from a amazon interview for a swe role (senior level) during the phone screen round reported in 2022.
It covers the following topics: Probability Stats, Sql .
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