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Facebook SQL Server Interview Questions
Questions Answers Views Company eMail

If you're given a raw data table, how would perform etl (extract, transform, load) with sql to obtain the data in a desired format?

543

how would you write a sql query to compute a frequency table of a certain attribute involving two joins? What changes would you need to make if you want to order by or group by some attribute? What would you do to account for nulls?

1086

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Hello seniors m an engineering student in 3rd yr..i want to know what are the software course in electrical field?i wanted to do certification course but i dont know much about the course?..Regards

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How do you analyze your test results? What metrics do you try to provide?

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What does numpy linspace return?

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Who developed mongodb?

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What is the front controller in struts2?

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