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 #udbcsdk The udbcsdk directory exists on client machines, on which OpenLink's UDBC SDK has been installed. It contains header files, source code, demo programs, and other resources that pertain to UDBC development.UDBC is an OpenLink proprietary Data Access Mechanism that provides connectivity by linking client applications directly to data access drivers. No driver manager is needed.