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Oracle® Database SQL Language Reference
11g Release 1 (11.1)

B28286-07
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NLS_LOWER

Syntax

Description of nls_lower.gif follows
Description of the illustration nls_lower.gif

Purpose

NLS_LOWER returns char, with all letters lowercase.

Both char and 'nlsparam' can be any of the datatypes CHAR, VARCHAR2, NCHAR, NVARCHAR2, CLOB, or NCLOB. The string returned is of VARCHAR2 datatype if char is a character datatype and a LOB if char is a LOB datatype. The return string 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 statement returns the character string 'citta'' using the XGerman linguistic sort sequence:

SELECT NLS_LOWER
   ('CITTA''', 'NLS_SORT = XGerman') "Lowercase"
   FROM DUAL;

Lowerc
------
citta'