Finding outlier in a column based on spike wrt previous day, i performed a self join, they wanted to optimise it using windows function.
Marketing Data Interview Questions
588 marketing data interview questions shared by candidates
pourquoi square management, présentez vous, quels clients et dans quel service
(In English) Explain the role of data analyst and what experience or skills do you have related to this role?
Case study
Describe a time where you used data to make an informed decision. What was the process and the result?
What are the things you expect to learn from this internship?
What are the programming languages that you are mostly familiar with?
Debate Workflow Improvement scenarios Small Mult Choice test simple stats and SQL
What programming data analysis tools/languages are you experienced with?
Tell us a situation where you had to utilize a programming language to handle large data sets.
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