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Sams Teach Yourself J2EE™ in 21 Days by Peter Roxburgh, Andy Longshaw, Debbie Law, Dan Haywood, Martin Bond

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Attributes

Attributes are a feature of a Directory service and are not available with simple name servers. Typically, you use attributes with an LDAP server. The J2EE RI JNDI server is a CORBA name server, and it does not support attributes.

An attribute is additional information stored with a name. Storing full name, address, phone number, and e-mail with a person's name is a common use of a directory service. NDS uses attributes to control access to shared network drives and to configure a user's login environment.

A directory service stores attributes as values against a keyword (LDAP calls them IDs). Directory services usually support searching for names (objects) that have certain attributes defined (or not defined). Searching often supports ...

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