Skip Headers
Oracle® Database SQL Reference
10g Release 2 (10.2)

Part Number B14200-02
Go to Documentation Home
Home
Go to Book List
Book List
Go to Table of Contents
Contents
Go to Index
Index
Go to Master Index
Master Index
Go to Feedback page
Feedback

Go to previous page
Previous
Go to next page
Next
View PDF

TO_SINGLE_BYTE

Syntax

Description of to_single_byte.gif follows
Description of the illustration to_single_byte.gif

Purpose

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.


See Also:

"Datatype Comparison Rules" for more information.

Examples

The following example illustrates going from a multibyte A in UTF8 to a single byte ASCII A:

SELECT TO_SINGLE_BYTE( CHR(15711393)) FROM DUAL; 

T 
- 
A