The relational data model was developed for databases management system based on first-order predicate logic. That is, all the information stored over a long period of time in a computer system and for database management systems, the software that allows people to store, delete, access, add and modify this information of the database. It still provides us with important motivation for easily understanding the relational data model. Relational Model provides a declarative method for specifying data and queries.
Example of Rational Data Model
In a database there are two database they are Student and Enroll
The bold letter are primary key and underline letter is foreign key.
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