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Sun OpenDS Standard Edition 2.0 Architectural Reference

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Document Information

The Directory Server Access Control Model

Understanding the Directory Server Schema

Understanding Matching Rules

Matching Rule Description Format

Commonly Used Matching Rules

Value Normalization

Understanding Attribute Syntaxes

The Attribute Syntax Description Format

Commonly Used Attribute Syntaxes

Understanding Attribute Types

Attribute Type Description Format

Attribute Type Inheritance

Attribute Type Implementation

Understanding Object Classes

Object Class Description Format

Object Class Kinds

Object Class Inheritance

Directory Server Object Class Implementation

Understanding Name Forms

Name Form Description Format

Name Form Implementation

Understanding DIT Content Rules

DIT Content Rule Description Format

DIT Content Rule Implementation

Understanding DIT Structure Rules

DIT Structure Rule Description Format

DIT Structure Rules and Multiple Schemas

DIT Structure Rule Implementation

Understanding Matching Rule Uses

Matching Rule Use Implementation

Index Databases

Understanding Directory Server Plug-Ins

Directory Server Replication

Root Users and the Privilege Subsystem

Supported Controls and Operations

Attribute Type Inheritance

One attribute type can reference another as its superior class. This has two primary effects:

A subordinate attribute type cannot have a different usage than its superior type. That is, if the superior type is userApplications, then the subordinate type must also be userApplications. Similarly, if a superior type is declared COLLECTIVE, then the subtype must also be COLLECTIVE, but if the superior type is not COLLECTIVE, then the subordinate type must also not be COLLECTIVE.