DyBASE
allocates handles from the unused part of new index. When there is no
more space in the index, it is reallocated. Object index is the only
entity in database whose is not cloned on modification. Instead of this
two copies of object index are always used.<P>

There are some predefined OID values in DyBASE. OID <I>0</I> is reserved
as invalid object identifier. OID starting from <I>1</I> are reserved for bitmap pages.
Number of bitmap pages depends on database maximum virtual space.
For one terabyte vi