How to use Foreign Key in SQL?

How to use Foreign Key in SQL?

In this article, we will figure out how A FOREIGN KEY in one table focuses to a PRIMARY KEY in another table? Fundamentally, Foreign Key speaks to connection between tables. Syntax: column-name data_type (size) CONSTRAINT constraint-name References Table-name (Column-name) Example: Table 1: Table 2: First create a primary key in first table which is also … Read more