DBsoftware http://www.inst.co.uk/clients/jisc/SPWS/skills/facets/DBsoftware.xml hierarchical hierarchical databases XXX XMLDBs XML databases XXX ZODB the Zope object database XXX SQLServer Microsoft SQL Server XXX Access Microsoft Access XXX MySQL MySQL XXX Oracle Oracle XXX DB2 IBM DB2 XXX Sybase Sybase XXX Paradox Borland Paradox XXX