Versioned Object Base (VOB)
A Versioned Object Base (VOB) is a centralized database that
stores version information about the files and folders in a software configuration management (SCM)
system. The term is usually associated with ClearCase, a distributed program developed by Rational
Software that is used in a client/server
environment.
The VOB includes the current versions of source files, as well as a detailed history of file
updates and usage. The history includes version numbers and dates of use, as well as information
about who created each version. Information about derived objects
is also included. If the VOB is complicated, it can be graphically displayed as a file-system
source tree. The use of a large VOB can be memory intensive. Performance is also dependent on the
read/write speed of the hard drives on which the program is installed.
Contributor(s): Judy Stevens Smyer
This was last updated in September 2005
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