Caché Class Definition Reference
OnDelete
[Home] [Back] [Next]
InterSystems: The power behind what matters   
Class Reference   
Search:    

Specifies the action that this foreign key should cause in the current table when a record is deleted in the foreign table.
Usage
To specify what happens in the current table when a record is deleted in the foreign table, use the following syntax:
ForeignKey keyname(key_props) References pkg.class(ref_props) [ OnDelete = ondelete ];
Where ondelete is one of the following:
Description
This keyword defines the referential action that occurs when a record is deleted from the foreign table.
Default
The default is noaction.
See Also