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What is relational database?

Relational Database


If you need to work with data from multiple database files, links can be established between the files. Establishing links to work with data from different table database files is called relational database.

There are three types of relational databases, namely --


(i) One to One Relationship

(ii) One to many relation

(iii) Many to Many relation.

 

Relational Data Model: In a relational database, logical relationships exist between different types of tables. Different tables are created according to the nature of the data. The records are then used by creating relationships between the tables. That is, many tables are related to each other and one table is related to another table.

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