The use of LAST_VALUE() AND FIRST_VALUE() with an example



The use of LAST_VALUE() AND FIRST_VALUE() with an example..

Answer / kivi

they are the analytic functions used get the first and last value from a group.. 

check the below link for more details

http://etltechsolutions.wordpress.com/2014/10/12/last_value-and-first_value-best-example/

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