LOWER

Syntax

Description of the illustration lower.eps

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.

See Also:

Appendix C in Oracle Database Globalization Support Guide for the collation derivation rules, which define the collation assigned to the character return value of LOWER

Examples

The following example returns a string in lowercase:

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

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