December 2010
Intermediate to advanced
451 pages
11h 16m
English
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7-6. Adding Hours, Minutes, Seconds, or Days to a Given Date
Problem
One of your applications requires that you have the ability to add any number of days, hours, minutes, or seconds to a given date and time to produce a new date and time.
Solution
Create functions that add each of these time values to TIMESTAMP dataypes that are passed as an argument. Each of these functions will return the given time plus the amount of time that is passed in as argument. The following three functions will provide the ability to add hours, minutes, seconds, or days to a given time. Each of these functions returns the calculated date and time using the TIMESTAMP datatype.
CREATE OR REPLACE FUNCTION calc_hours(time_to_change IN TIMESTAMP, timeval ...Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
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