6. platforms

In general there is a lack of information about the format in which data is contained within the different databases. The software used to store data includes:

• ORACLE relational database management system (RDMS). Some databases using this system are compatible with the ARC/INFO GIS system. or have an interface with RAISON, (Regional Analysis by Intelligent systems on a microcomputer), a system which is able to provide regional statistics based on maps;
• Ingres;
• DOS;
• Microsoft Access; and
• INFORMIX under UNIX