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Oracle9i SQL Reference
Release 2 (9.2)

Part Number A96540-02
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UPPER

Syntax

upper::=

Text description of functions141.gif follows
Text description of upper


Purpose

UPPER returns char, with all letters uppercase. char can be any of the datatypes CHAR, VARCHAR2, NCHAR, NVARCHAR2, CLOB, or NCLOB. The return value is the same datatype as char.

Examples

The following example returns a string in uppercase:

SELECT UPPER('Large') "Uppercase"
   FROM DUAL;

Upper
-----
LARGE