 solution (both space and CPU) is very high. In DyBASE it is responsibility of programmer to save object in the storage. It can be done by <code>Persistent.store</code> or <code>Persistent.modify</code> methods.<P>

<code>Persistent.store</code> method writes object in the storage as well
as all objects referenced from this object which are not yet persistent. So if you create a tree of objects and assign reference to the root of this tree to some persistent object <B>X</B>, it is only necessary to 
invoke 