Tags: Genre, Music Genre, Topical Concept.
A relational database is a database that has a collection of tables of data items all of which is formally described and organized according to the relational model. Data in a single table represents a relation from which the name of the database type comes. In typical solutions tables may have additionally defined relationships with each other.In the relational model each table schema must identify a column or group of columns called the primary key to uniquely identify each row.
