Capital One Senior Data Analyst interview questions

It had 15 questions with 6 questions asked with regards to one csv, 1 SQL question, rest were based on 4 csv data. I'd say start with the 4 csv and try using sheets as its very simple analysis questions. Mostly joins, aggregatins

normally involves a clever application of hashmaps and it is expected that you know how to work with it properly inside and out. While greedy problems are technically possible, DP (dynamic programming