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?
919how 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?
1577Post New Facebook SQL Server Interview Questions
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in Sensex and Nifty, what is the measure to take the points
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State differences between PLC and logic cards?
How many groups of data types?