data master

The server that is the master source of a particular piece of

 

data.

database link

An implementation of chaining. The database link behaves like

 

a database but has no persistent storage. Instead, it points to

 

data stored remotely.

default index

One of a set of default indexes created per database instance.

 

Default indexes can be modified, although care should be

 

taken before removing them, as certain plug-ins may depend

 

on them.

definition entry

See CoS definition entry.

Directory Access Protocol

See DAP.

directory tree

The logical representation of the information stored in the

 

directory. It mirrors the tree model used by most filesystems,

 

with the tree's root point appearing at the top of the hierarchy.

 

Also known as DIT.

Directory Manager

The privileged database administrator, comparable to the root

 

user in UNIX. Access control does not apply to the Directory

 

Manager.

Directory Server Gateway

A collection of CGI forms that allows a browser to perform

 

LDAP client functions, such as querying and accessing a

 

Directory Server, from a web browser. Also called DSGW.

directory service

A database application designed to manage descriptive,

 

attribute-based information about people and resources within

 

an organization.

distinguished name

String representation of an entry's name and location in an

 

LDAP directory.

DIT

See directory tree.

DN

See distinguished name.

DM

See Directory Manager.

DNS

Domain Name System. The system used by machines on a

 

network to associate standard IP addresses (such as

 

198.93.93.10) with hostnames (such as www.example.com).

 

Machines normally get the IP address for a hostname from a

 

DNS server, or they look it up in tables maintained on their

 

systems.

DNS alias

A DNS alias is a hostname that the DNS server knows points

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