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Data Engineer Interview Questions
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SQL - I was given 4 tables Sales, Product, Promotion and something else (Never had to use it). 1. Which product had the highest sales with promotions and sales ( basically a where clause on 2 flags) 2. What % of sales happened on the first and last day of promotion. I don't remember the rest.. I'd say your ability to translate regular english statements into SQL is tested very well
basic sql and python problem
You have this table - orders (order_id, customer_id, order_datetime, order_amt): 1)select top 10 paying customers for given month
Tell me about your self? What is Data Warehousing?
The interview was highly focused SQL questions such as finding the third high, finding the newest one.
Based on my experience in different projects and analytical functions in SQL
queries, R,Python, data warehouses
About Machine learning basic regression
difference between Python and Scala
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