LDAP Information Model
A directory service may be a bit fancier than the database you use to tally the overtime pay you've lost since taking your salaried administrator position a few years back, but the principles of operation are pretty much the same.
Object-Oriented Database
In X.500 terminology, the directory service database is called a Directory Information Base (DIB). If you think of an old-style library card catalog system as a kind of directory service, one of those big oak cabinets with rows of drawers would be a DIB.
The X.500 directory service structure was developed at a time when object-oriented databases represented leading-edge technology. If your only exposure to database technology has been more modern relational databases, ...
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