. Since access to the container members is always 
performed through methods of the container class, programmer will never notice it - container methods will always
return loaded object(s).<P>

Sometimes not all fields of persistent object need to be saved in the storage. Some of them are
transient. DyBASE use the following convention to distinguish persistent and transient fields:
all fields which name ends with "_" are considered to be transient and are not saved in the storage.
You can initialize such fi