411 REFERENCE · Wikibooks
Using POSper/Developer guide/Database Diagram
Reference material by Wikibooks contributors. This retains its source identity and is not 411 news reporting.
This diagram describes up to revision 423
To edit this diagram, download the xml description and open it with DBDesigner. http://fabforce.net/dbdesigner4/
Note that some of the table names and fields are slightly wrong due to DBDesigner4 issues, such as refusing the use of certain table/field names (eg user, password, data) and in other cases insisting on an exact field name that it won't let you change (eg for foreign keys).