@prefix dct: . @prefix ns1: . @prefix ns2: . @prefix rdfs: . @prefix skos: . a skos:Concept ; dct:created "2018-03-13" ; dct:modified "2018-04-16" ; ns1:hasProfile , , ; ns2:status ; rdfs:seeAlso ; skos:definition "Stores data in such a way that it can be added to, and used independently of, all other data stored in the database. Users can query a relational database without knowing how the information has been organized. Although relational databases have the advantages of ease-of-use and analytical flexibility, their weakness can be slower retrieval speed. SQL (structured query language) is an interface to a relational database."@en ; skos:prefLabel "Relational Data Base"@en .