TO_SINGLE_BYTE returns char with all of its multibyte characters converted to their corresponding single-byte characters. char can be of datatype CHAR, VARCHAR2, NCHAR, or NVARCHAR2. The value returned is in the same datatype as char.
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 CLOB data directly. However, CLOBs can be passed in as arguments through implicit data conversion.
The syntax for the to_single_byte function is:
to_single_byte( char )
char can be a char, varchar2, nchar, or nvarchar2 value. This function will return its result in the same character set as char.
Applies To:
· Oracle 8i, Oracle 9i, Oracle 10g, Oracle 11g
For example:
select to_single_byte('Tech on the net')
from dual;
The SQL statement above would return a single-byte character value.
