Based on my experience in different projects and analytical functions in SQL
Data Engineer Interview Questions
20,979 data engineer interview questions shared by candidates
queries, R,Python, data warehouses
Mostly technical / coding questions with limited time to answer, talk about past projects (with techncial depth), almost no questions with respect to data science (statistics, ml, math, modeling ...)
difference between Python and Scala
private static Map<String, Integer> namesToNumPurchases = new HashMap<String, Integer>() {{ put("Chris", 10); put("Bob", 5); put("David", 5); put("Sue", 12); put("Jim", 3); }}; /* Required output: 3: Jim 5: Bob, David 10: Chris 12: Sue */
About Machine learning basic regression
how to remove duplicate rows from a table in database?
basic Java, Databases and datawarehousing, UNIX questions
Given a grid of size n, in how many moves you can reach from lower-left corner to upper-right corner?
Do you know Python, c++, have you have experience with GPS, are you available for a clearance?
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