Doesn't matter, IMO: if you're writing an SQL query that joins aacctt on one of the base circulation tables, you would need to filter by on circ_type anyway; it's not necessary for id to be a unique value within the view itself.
Doesn't matter, IMO: if you're writing an SQL query that joins aacctt on one of the base circulation tables, you would need to filter by on circ_type anyway; it's not necessary for id to be a unique value within the view itself.