Q

qualified association

A qualified association is a binary association that has a qualifier on one end.
 

qualifier

A qualifier is a slot for one or more attributes, on one end of a binary association, in which the values of those attributes select one or more objects from the entire set of objects at the other end of the association from the "qualified" object.
 

qualifier value

A qualifier value is a value of a given qualifier in the context of a link end data entity.
 

query

A query is an operation that returns a value without altering the state of the running system.

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