Delete action in Ax2012

There are four delete actions:

None: A None delete action will delete selected row in a table but nothing occurs to the 
table that relate to this table.

Cascade: A Cascade delete action will delete all the records in the related table,
 i.e, deleting the parent record will also delete child record in the related table.

Restricted: A Restricting delete will raise an error message if the user tries to delete a record, 
where records exists in related table where the foreign key is equivalent to the primary key
of the current table.

Cascade + Restricted: The delete action performs an restricted, if the record of the table will  
be deleted directly and performs an cascade, if the record of the table will be deleted through
a cascade delete action of a database.