- The DESIGN database which contains all the design information for the project
- The CATALOGUE database where the project catalogue and specifications are stored.
- The PADD database which contains data about drawings produced by DRAFT.
- The PROPERTIES database which can contain material properties, and can be referenced by the catalogue
- The DICTIONARY database which holds the definitions of user-defined attributes (UDAs), as set up in LEXICON.
- The ISOD database holds spool drawings generated by SPOOLER
一般pdms項目需要建立DESI, CATA, PADD, PROP, DICT, ISOD類型的數據庫。