How to select top N rows in Hive?
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October 15, 2021Comparing 2 dates is quite common when you deal with data. Hive has datediff function to help you compare 2 dates.
Solution
datediff function in Hive takes 2 dates in String type and gives you the difference between the dates.
datediff(string enddate, string startdate)
String dates should be in yyyy-MM-dd format
SELECT datediff('2009-03-01', '2009-02-27')
2 will be the output
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