NLS_CHARSET_ID

Syntax

Description of the illustration nls_charset_id.gif

Purpose

NLS_CHARSET_ID returns the character set ID number corresponding to character set name string. The string argument is a run-time VARCHAR2 value. The string value 'CHAR_CS' returns the database character set ID number of the server. The string value 'NCHAR_CS' returns the national character set ID number of the server.

Invalid character set names return null.

Examples

The following example returns the character set ID of a character set:

SELECT NLS_CHARSET_ID('ja16euc') 
  FROM DUAL; 

NLS_CHARSET_ID('JA16EUC')
------------------------- 
                      830