Nov 18, 2025 · This article describes how to create foreign key relationships in SQL Server by using SQL Server Management Studio or Transact-SQL. You create a relationship between …

The FOREIGN KEY constraint is a key used to link two tables together. A FOREIGN KEY is a field (or collection of fields) in one table that refers to the PRIMARY KEY in another table.

Apr 4, 2017 · To create a Foreign Key using the SSMS GUI, using Object Explorer select the referencing table dbo.Product, go to Keys, right click on Keys and select New Foreign Key…: …

Here you will learn what is a foreign key and how to established a relationship between two tables using a foreign key in the SQL Server database.

Jul 15, 2025 · What is a Foreign key in SQL Server? A foreign key in SQL Server is a column or a set of columns in one table that creates a relationship with the data in another table. It refers to …

In SQL, a foreign key is a column or a set of columns in a table that references the primary key of another table. A table with a foreign key is called a child or foreign key, or referencing table. A …

In SQL Server, a FOREIGN KEY constraint is used to enforce referential integrity between two tables by establishing a relationship between a column (or a set of columns) in one table (child …

Oct 22, 2024 · In this tutorial, we’ll illustrate how to add a foreign key constraint to an existing SQL table. In our examples, we’ll use Baeldung’s simple University database.

Feb 13, 2020 · In this article, we will seek an answer to an important question – “What is a foreign key in SQL Server?”. At the same time, we will give some seconder answers to this question. …

This SQL Server tutorial explains how to use Foreign Keys in SQL Server with syntax and examples. A foreign key is a way to enforce referential integrity within your SQL Server database.