DrugMatrix Database Readme The download that is posted here is the �800� version of the DrugMatrix data warehouse that was extracted from its host Oracle database, and converted to sql suitable for loading into a PostgreSQL database using the open source tool, �ora2pg�. To make use of the shell scripts under the var/DM800_migration directory, the user is referred to the documentation for ora2pg: https://ora2pg.darold.net/documentation.html