SQL Server Tutorial: Adding a foreign key (FK) to an existing database table using alter table DDL
5:05
YouTubeDr. Todd Wolfe Technology Training and Tutorials
SQL Server Tutorial: Adding a foreign key (FK) to an existing database table using alter table DDL
In this tutorial, Dr. Wolfe demonstrates how to use the data definition language (DDL) alter table statement to add a foreign key constraint on an existing database field. At the end of this tutorial, you will be able to 1) Use the alter table statement 2) Add a foreign key constraint 3) Verify a foreign key constraint
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