|Oracle9i SQL Reference
Release 2 (9.2)
Part Number A96540-02
char with all of its multibyte characters converted to their corresponding single-byte characters.
char can be of datatype
NVARCHAR2. The value returned is in the same datatype as
Any multibyte characters in
char that have no single-byte equivalents appear in the output as multibyte characters. This function is useful only if your database character set contains both single-byte and multibyte characters.
This function does not support
The following example illustrates going from a multibyte 'A' in UTF8 to a single byte ASCII 'A':