policy is to delete any rows referencing the deleted row, or update the value of the referencing column to the new value of the referenced column, respectively
not enforced policy
return an error, no action taken
same as GDA_META_FOREIGN_KEY_NO_ACTION, not deferrable
policy is to set the referencing column to its default value
policy is to set the referencing column to NULL
unspecified policy
Defines the filtering policy of a foreign key when invoked on an UPDATE or DELETE operation.