COMPOSE

Syntax

compose::=
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Description of the illustration compose.gif

Purpose

COMPOSE takes as its argument a string in any datatype, and returns a Unicode string in its fully normalized form in the same character set as the input. char can be any of the datatypes CHAR, VARCHAR2, NCHAR, NVARCHAR2, CLOB, or NCLOB. For example, an o code point qualified by an umlaut code point will be returned as the o-umlaut code point.

See Also:

Oracle Database Globalization Support Guide for information on Unicode character sets and character semantics

Examples

The following example returns the o-umlaut code point:

SELECT COMPOSE ( 'o' || UNISTR('\0308') ) FROM DUAL; 

CO 
-- 
ö

See Also:

UNISTR