Cancelled vs Terminated workers and their learning records

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Hi there

When I go to My Client Groups / Learning / Learning Assignments

I see that there is a tick box called 

"Include Terminated or Canceled Work Relationships"

I can see learning records for some of the colleagues who have left, but no records for others.

I have read a few posts here and I understand that there is a difference between

Cancelling a worker - you cannot see the learning records for this person in OLC. I cannot see the name of the person even in OTBI reporting.

Terminating a worker - you can see the learning records for this person in OLC. I can see the name of the person in OTBI reporting.