Glossary of Technical Terms A B C D E F G H I J K L M N O P Q R S T U V W X Y Z #UDBC UDBC is OpenLink's deprecated, proprietary data access mechanism. It denotes "Universal Database Connectivity," and it provides connectivity by linking client applications directly to data access drivers. Thereby, dependence on a driver manager was bypassed, when no such manager existed on Unix platforms.The iODBC driver manager project has removed the need for UDBC.