Diving completely into the realm of relational databases often involves encountering two fundamental concepts: primary keys and foreign keys. These elements serve as the structure for organizing data within a database, ensuring integrity. A primary key uniquely identifies each record in a table, acting like a identifier. On the other hand, a forei

In the realm of databases, primary keys and foreign keys are fundamental concepts that ensure data integrity and relationships between tables. A primary key uniquely identifies each record within a table, acting as its fingerprint. On the other hand, a foreign key acts as a bridge, linking entries in different tables based on a shared primary key.