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Oracle® Database SQL Language Reference
11g Release 2 (11.2)

E41084-03
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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 data types CHAR, VARCHAR2, NCHAR, NVARCHAR2, CLOB, or NCLOB. The string returned is of VARCHAR2 data type if char is a character data type and a LOB if char is a LOB data type. 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 lowercase form of the character string 'NOKTASINDA' using the XTurkish linguistic sort sequence. The Turkish uppercase I becoming a small, dotless i.

SELECT NLS_LOWER('NOKTASINDA', 'NLS_SORT = XTurkish') "Lowercase"
  FROM DUAL;