The data should be put in tabular forms with key fields.
This will help the input into relational DBMS.
This is the case, for example, of the navigation (magnetic, gravity) and of the oceanographic data,
and of all the information that make-up the seismic database.
In contrast, the gridded data are not easily handled by a relational DBMS.
At least the DTM topographic and cartographic information should be input to the DBMS, with the
reference to any specific grid.
Such an organization is well suited for a more productive usage of the data in the
normal cartographic production or into a GIS environment.
The availability of powerful DBMS engines at the PC level enhance the possibilities
of an on-board data center. At IGM we have selected the MySQL DBMS by TCX [32] for
production and are experiencing POSTGRES [33]. These are Open Source
products with GPL license for the Unix-like environment, and, in some cases, for other
platforms.