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Sun OpenDS Standard Edition 2.2 Architectural Reference

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Document Information

1.  Introduction

2.  The Directory Server Access Control Model

3.  Understanding the Directory Server Schema

4.  Directory Server Index Databases

Kinds of Indexes

Attribute Equality Index

Attribute Presence Index

Attribute Substring Index

Attribute Ordering Index

Index Entry Limit

Search Evaluation

5.  Understanding Directory Server Plug-Ins

6.  Directory Server Replication

7.  Directory Server Root Users and the Privilege Subsystem

8.  Supported Controls and Operations

Attribute Substring Index

A substring index is a type of index that is used to keep track of which entries contain specific substrings. Index keys for a substring index consist of six-character substrings taken from attribute values and the corresponding values are a list containing the entry ID of the entries containing those substrings. The attribute's substring matching rule is used to normalize the values for the index keys, and substring indexes cannot be defined for attributes that do not contain substring matching rules.