search for: principal_investigator

Displaying 1 result from an estimated 1 matches for "principal_investigator".

2005 Dec 14
5
belongs_to and multiple foreign keys
Hi all, I''m confused about how I''m supposed to specify a belongs_to relationship when the table includes multiple columns that reference the same parent table. In my case I have a "schedules" table with "opened_by" and "closed_by" columns, that both reference the "users" table. In theory, they can be two different user ids. table