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Hi there,
Keen on getting started with Instance Scan? Adding some configuration or doing some customization, doing some automation, etcetera. Great! What might help you a bit on this... having a nice overview of the data model involved with Instance Scan.
In this article I will update the data model that I shared a few years ago which was based on the Rome release. This article is based on the Australia release.
Data Model
Let's immediately look at the big picture. Here is the Instance Scan data model for the Australia release:
When looking at the out-of-the-box Application Menu, you might think Instance Scan does not involve so much. Though looking at this picture, it does. And I didn't even mention everything!
Australia release
There were again some noticeable new features and updates done on Instance Scan that touch on the data model slightly. The release notes mention:
- Parallel execution of scans
- New role to write checks in Instance Scan
- Instance Scan extension for IDE
Additional explanation
Additional explanation on this picture:
- I left out system generated fields like "Created", "Created by", "Updated", "Updated by", "Updates". "Sys ID" I did mention.
- I left out fields inherited from the extended table mentioned.
- The fields colored green are references.
"I've got more tables on my instance!"
That could be right! You could have more tables (and fields) on your instance. This is due to whether your instance has been upgraded from Orlando/Paris, or that you are on a fresh Australia Patch 2 instance. For example, if you originally upgraded from a Paris instance, you would also have a table "Check Attributes".
The picture of the data model is based on Australia Patch 2.
"What about the red marked fields in the picture?"
In red, fields (and also one table) which are not visible on any list lay-out or form layout, and are undocumented. In one case ("Scorecard")... even has a read Access Control for role "maint"! Undocumented meaning no official ServiceNow documentation, when searching for the undocumented you might find some of my other Instance Scan articles .
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That's it. Hope you like it. Finally I finished this article, it was already pending for a while 😅. If any questions or remarks, let me know!
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Kind regards,
Mark Roethof
Independent ServiceNow Consultant
11x ServiceNow MVP
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