Primary and foreign keys are essential in establishing relationships between tables in a database. Normalization helps in optimizing database structures.
In a database, a primary key is a field that uniquely identifies each record in a table, while a foreign key links to the primary key in another table, establishing a relationship. Data professionals use a process called normalization to eliminate data redundancy, enhance data integrity, and simplify database structures.
https://brainly.com/question/31733141