I am starting to learn about data dictionaries and a question popped up in my head that I am unable to find the answer for online. Do operating systems have a data dictionary? Is there any way I could go about accessing it?
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If your understanding of the term data dictionary is the one explained by Wikipedia: Data Dictionary
A data dictionary, or metadata repository, as defined in the IBM Dictionary of Computing, is a "centralized repository of information about data such as meaning, relationships to other data, origin, usage, and format"...
then Yes
Wikipedia: Lightweight Directory Access Protocol (LDAP)
Wikipedia: Novell - NetIQ eDirectory
Wikipedia: Microsoft - Active Directory
I'm not quite up-to-date for about 10 years, but searching for the LDAP term should give you good ground for further comprehension
Another very relevant (IMO) example is the
于 2014-09-02T07:12:49.223 回答