Oracle® Database SQL Reference 10g Release 1 (10.1) Part Number B10759-01 |
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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 and 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.
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'