The relational data model represents data in the form of relation, which is basically a table of values.

In this example, each row in a table in a relational database is a record with a unique ID called the key, which can be used to create links between tables.

In this example, each row in a table in a relational database is a record with a unique ID called the key. Which can be used to create links between tables.

Some popular relational database software used to create relational data model...