DBA/M stands for Database Administrator/Manager
DB3OH stands for Data Bus Three Odd Number Horizontal
DB3E stands for Data Bus Three Even
DB2R stands for Data Bus Two Redundant
DB2I stands for Database to Database Interface
DB2CS stands for Database 2 Client/Server
DB2P stands for Data Bus Two Primary
DB-9 stands for Serial Communications D-Shell Connector, 9 Pins
DB-RRC stands for Dual-Band Rat-Race Coupler (wireless communications)
DB-DB stands for Database to Database