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Oracle® Database SQL Reference
10g Release 1 (10.1)

Part Number B10759-01
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NLS_UPPER


Syntax

nls_upper::=
Description of nls_upper.gif follows
Description of the illustration nls_upper.gif


Purpose

NLS_UPPER returns char, with all letters uppercase.

Both char and 'nlsparam' can be any of the datatypes CHAR, VARCHAR2, NCHAR, NVARCHAR2, CLOB, or NCLOB. The string returned is of VARCHAR2 datatype and is in the same character set as char.

The 'nlsparam' can have the same form and serve the same purpose as in the NLS_INITCAP function.


Examples

The following example returns a string with all the letters converted to uppercase:

SELECT NLS_UPPER ('große') "Uppercase"
     FROM DUAL;

Upper
-----
GROßE

SELECT NLS_UPPER ('große', 'NLS_SORT = XGerman') "Uppercase" 
   FROM DUAL;

Upperc
------
GROSSE

See Also:

NLS_INITCAP