relational

adjective

1. of or relating to relations.
2. indicating or specifying some relation.
3. Grammar. serving to indicate relations between various elements in a sentence, as prepositions, conjunctions, etc.Compare notional(def 6).

adjective

1. grammar indicating or expressing syntactic relation, as for example the case endings in Latin
2. having relation or being related
3. computing based on data stored in a tabular forma relational database