I know for a fact that ID is a built in read only column. I think most SP admins and developers know this. Someone is trying to convince me otherwise.

All I could find on MSDN was the following:

"in SharePoint lists, you can view the built in ID column as a permanent, unchangeable primary key; and this is the value that drives the relationship"

List Relationships in SharePoint 2010


You can check the SPBuiltInFieldId class for the names and Ids of built-in fields.

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