The Condesed objects                                 
Try to remember that it is our primary concern to provide any single piece of display, since each one of the objects has its own
dimensions. Let’s see what the problem is about? We shall look at two independent objects, combined by the common field
in the table. “order. order_date”.

In order not show two objects for the same field, we shall combine these two objects into a single one and in such a way enable
the user to make the choice of the working object. It is to be observed that the filter string value  is requested only from a visible object.  

We shall give the example for the string field as well:

See also :