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Oracle® Database SQL Language Reference
11g Release 2 (11.2)

Part Number E17118-03
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NLS_CHARSET_DECL_LEN

Syntax

Description of nls_charset_decl_len.gif follows
Description of the illustration nls_charset_decl_len.gif

Purpose

NLS_CHARSET_DECL_LEN returns the declaration length (in number of characters) of an NCHAR column. The byte_count argument is the width of the column. The char_set_id argument is the character set ID of the column.

Examples

The following example returns the number of characters that are in a 200-byte column when you are using a multibyte character set:

SELECT NLS_CHARSET_DECL_LEN(200, nls_charset_id('ja16eucfixed')) 
  FROM DUAL; 

NLS_CHARSET_DECL_LEN(200,NLS_CHARSET_ID('JA16EUCFIXED'))
--------------------------------------------------------
                                                     100