If you find that the examples in this section do not work as shown, you may need to install or restore the example database with the DatabaseLink`DatabaseExamples` package, as described in Using the Example Databases.
Open a connection:
Create a table with a primary key:
Create another table. The PersonId column will be used for a foreign key constraint referencing the PEOPLE table's primary key:
Add the foreign key constraint:
The foreign key appears as an index in the EMPLOYEES table:
The primary key of the PEOPLE table now appears as an imported key of EMPLOYEES: