Currently writing code for apps using & managing Postgres and mySQL databases, and involved in some data modeling efforts in the science informatics community, but in the past:

• PL/SQL programmer & DB admin in Oracle 8/8i/9i days.
• VBA programming in MS Access (sometimes w/ mysql or MSSQL backends)
• LDAP administration (Novell & iPlanet)
• Did some work w/ FileMaker databases (both standalone and dedicated server)