Oracle® Database SQL Reference 10g Release 2 (10.2) Part Number B14200-01 |
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Syntax
Purpose
LOWER
returns char
, with all letters lowercase. char
can be any of the datatypes CHAR
, VARCHAR2
, NCHAR
, NVARCHAR2
, CLOB
, or NCLOB
. The return value is the same datatype 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, please 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