Defining Foreign Key Dependencies (Referential Integrity)
Foreign key dependencies (Referential Integrity) describe the dependencies between data of two tables. Under Ref. Integrity you can define links for columns in your table to columns in other tables.
Foreign Key Name |
Name of foreign key (optional) |
Referencing Columns |
Referencing columns |
Reference Referenced Table Indexed Column |
Reference Table to which the link points Indexed columns in the referenced table |
On Delete |
Behavior of the referenced table when a record is deleted in the referencing table |
Insert new link
Choose New Foreign Key. The new link is added to the end of the table.
Copy link
Select the link to be copied, and choose Copy Foreign Key.
The new link is added to the end of the table.
Import link
Choose Import Foreign Key. A window opens containing all links defined by the current user. Select one or more links and choose OK. The new link(s) is/are added to the end of your table.
Remove link
In order to remove one or more links from the table, select the link and choose Remove Foreign Key.