stores data in tables that are predefined and contain both rows and columns of information. typically a relational database is considered to be two-dimensional as it contains rows and columns.
stores data in tables that are predefined and contain both rows and columns of information. typically considered to be two demensional as it contains rows and columns
it is a collective set of multiple data sets (two or more tables) organized by tables, records and columns. each table is linked using primary key and foreign key.