The interview was highly focused SQL questions such as finding the third high, finding the newest one.
Data Engineer Interview Questions
20,985 data engineer interview questions shared by candidates
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 ...)
queries, R,Python, data warehouses
About Machine learning basic regression
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 */
difference between Python and Scala
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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