March 2017
Beginner
358 pages
9h 51m
English
Content preview from Learning ServiceNow
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Other M2M relationships
Perhaps the most popular examples of many-to-many tables, are the sys_user_has_role and sys_user_grmember tables. These tables respectively maintain relationships between users and the roles that they have, and between users and the groups of which they are members. These M2M tables are not defined in the sys_m2m table, but are specially made by ServiceNow.
The sys_m2m table is probably the easiest way to define a many-to-many relationship, but can you think of another way to do so? That is, to create a relationship in which the left-side record can be related to an arbitrary number of right-side records, which can in turn be related to an arbitrary number of left-side records?
In terms of using a field to relate one ...
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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.
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