ORA-02292: integrity constraint

Question

WHEN-BUTTON-PRESSED Trigger got the following Exception Error:
Error:
ORA-02292: integrity constraint <constraint name> violated - child record found
Cause:
You tried to DELETE a record from a parent table (as referenced by a foreign key), but a record in the child table exists.
Action:
The options to resolve this Oracle error are:
------------------------------ How Could i handel this Error pls ?
Regards,
Abdetu..

Answer 1

Hello,Thanks Francois for reply
By the way,i am deleting roots in a a tree from the database..
DECLARE
  pk INSP_EQUIPMENT_TYPE.EQUIPMENT_TYPE_D%TYPE;
BEGIN
  IF Ftree.Get_Tree_Property('TREE_BLOCK_TEST.TREE13', Ftree.SELECTION_COUNT) >= '1' THEN
    pk := ftree.get_tree_node_property(
        'TREE_BLOCK_TEST.TREE13',
        :system.trigger_node,
        ftree.node_value);
    DELETE FROM INSP_EQUIPMENT_TYPE
    WHERE EQUIPMENT_TYPE_D = pk;
  ELSE
    Message('Please select a tree node for deletion.');
  END IF;
  EXCEPTION
       WHEN OTHERS THEN
        MESSAGE('OTHERS'||SQLCODE ||' ' ||SQLERRM  );
       MESSAGE('OTHERS'||SQLCODE ||' ' ||SQLERRM  );
END;Regards,
Abdetu..