One-to-Many Relationship

A relationship where one parent row can relate to many child rows.

What is One-to-Many Relationship in a relational database?

One-to-Many Relationship — A relationship where one parent row can relate to many child rows.

CREATE TABLE purchase_order (
    order_id INTEGER PRIMARY KEY,
    customer_id INTEGER REFERENCES customer (customer_id)
);

Level: Novice · More Database terms at this level

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