calculate duration in years month and days for each row

calculate duration in years month and days for each row

References

Reference NO 1

http://stackoverflow.com/questions/15195311/calculate-duration-in-years-months-and-days-for-each-row

Reference NO 2

http://www.timeanddate.com/date/duration.html

Reference NO 3

http://www.artfulsoftware.com/queries.php

Reference NO 4

http://en.wikipedia.org/wiki/Leap_year

Reference NO 5

http://en.wikipedia.org/wiki/Equinox

Reference NO 6

http://php.net/manual/en/function.cal-days-in-month.php

Reference NO 7

http://www.degreedays.net/

Reference NO 8

http://www.kiplinger.com/article/investing/T018-C008-S001-12-stocks-to-get-dividends-every-month.html