Syntax
compose::=
Text description of compose
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. string can be any of the datatypes CHAR, VARCHAR2, NCHAR, NVARCHAR2, CLOB, or NCLOB. For example, an "o" codepoint qualified by an umlaut codepoint will be returned as the o-umlaut codepoint.
Examples
The following example returns the o-umlaut codepoint:
SELECT COMPOSE ( 'o' || UNISTR('\0308') ) FROM DUAL;
CO
--
ö
