iid statement The constraint $c iid <IID> matches the stored concept with the provided internal ID (IID). Inserting IIDs When a concept is inserted, it is assigned an IID automatically. insert $user isa user; Example TypeDB Console output -------- $x | iid 0x1f0005000000000000012f isa user -------- Matching IIDs match $x iid 0x1f0005000000000000012f; label Comparisons