- noun a computer database in which different types of data are linked for analysis
- noun a database in which all the items of data can be interconnected. Data is retrieved by using one item of data to search for a related field.
- A type of database or database management system in which data is stored in multiple tables, whose rows represent records, and whose columns represent fields. The number of columns is fixed, while the number of rows is not, and relational algebra is utilized to manipulate the relationships between such tables. relational databases are characterized by referential integrity and normalization, and a relational language, such as SQL, is utilized to access and manage such databases. Also called relational database management system, or relational DBMS.