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

E41084-03
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LOWER

Syntax

Description of lower.gif follows
Description of the illustration lower.gif

Purpose

LOWER returns char, with all letters lowercase. char can be any of the data types CHAR, VARCHAR2, NCHAR, NVARCHAR2, CLOB, or NCLOB. The return value is the same data type as char. The database sets the case of the characters based on the binary mapping defined for the underlying character set. For linguistic-sensitive lowercase, refer to NLS_LOWER.

Examples

The following example returns a string in lowercase:

SELECT LOWER('MR. SCOTT MCMILLAN') "Lowercase"
  FROM DUAL;

Lowercase
--------------------
mr. scott mcmillan