Oracle : Ошибка ORA-02015

"cannot select FOR UPDATE from remote table"
*Cause: An attempt was made to select FOR UPDATE on a remote table
(directly, or via a view) that had abstract data type columns, and
the view or select list contained abstract data type columns or
non-column items.
*Action: To attempt a select FOR UPDATE, use a view or select list that
consists only of base columns from the remote table, none of which
may be abstract data type columns.

Попробовать перевести

Поискать эту ошибку на форуме