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Storing and Checking Character Codepoints in an UTF8/AL32UTF8 (Unicode) database (Doc ID 69518.1)

Last updated on JANUARY 07, 2025

Applies to:

Oracle Database - Enterprise Edition - Version 8.0.3.0 and later
Oracle Database - Standard Edition - Version 8.0.3.0 and later
Oracle Database Cloud Schema Service - Version N/A and later
Gen 1 Exadata Cloud at Customer (Oracle Exadata Database Cloud Machine) - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Information in this document applies to any platform.

Purpose

This article explains
* what UTF8 and AL32UTF8 is
* how to check if data is correctly stored in an UTF8/AL32UTF8 database
* how determine the codepoint for an UTF8/AL32UTF8 character

For a more general overview of using AL32UTF8 please read first
<Note 788156.1> AL32UTF8 / UTF8 (Unicode) Database Character Set Implications

 

Scope

Anyone using UTF8 or AL32UTF8 as NLS_CHARACTERSET.

Details

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