XQuery - How to get 90 days to date from a specific date?

In xquery, how to get 90 days before a date from a specific date?

Tell the given date 30-03-2012. I want to get a date that is 90 days before a specified date. You cannot also skip the billing year.

I couldn't find any built in functions. There are add / substract methods, but they only work on two dates.

Any ideas?


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1 answer

You need to subtract the dayTimeDuration (90 days) from the date i.e.

xs:date("2012-03-30") - xs:dayTimeDuration("P90D")




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