August 2017
Intermediate to advanced
1330 pages
56h 17m
English
Content preview from ServiceNow: Building Powerful Workflows
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Applying upgrades
When an instance receives a new WAR file, it starts to upgrade. It looks in each XML file to find what record it represents and checks it against the Customer Updates [sys_update_xml] table.
If there is no entry in the Customer Updates table, then the action in the upgrade is applied. This could be insert, update, or delete. No entry means ServiceNow owns the record, and it will be kept "out of the box" even if the upgrade means "out of the box" is changing.
If an entry does exist, the upgrade process will do a little more work. First, it looks to see whether the Replace on upgrade field in the Customer Updates record is ticked. If it is ticked, then the action will be applied, as before.
Checking the Replace on upgrade ...
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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.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.