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Questions d'entretiens - Big Data


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how do you know FDM

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what are joint in SQL?

What is a clustered index?

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What is HAVING clause used with? (They wanted to hear Group By and Order By, they do not ask white board coding or any test to actually check your skills) What is Map-reduce?

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What makes numpy faster than vanilla Python in calculating matrix operations?

Questions related to Hadoop and its usage, And quite a bit about previous work experience

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