relational database is a noun meaning "a database in which relations between information items are explicitly specified as accessible attributes". It carries one recorded sense.
a database in which relations between information items are explicitly specified as accessible attributes
“in a relational database the data are organized as a number of differently sized tables”
Definitions, synonyms and semantic relations for relational database come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.