Amazon Redshift
Database Developer Guide (API Version 2012-12-01)

LOWER Function

Converts a string to lowercase. LOWER supports UTF-8 multibyte characters, up to a maximum of four bytes per character.





The input parameter is a CHAR or VARCHAR string.

Return Type

The LOWER function returns a character string that is the same data type as the input string (CHAR or VARCHAR).


The following example converts the CATNAME field to lowercase:

select catname, lower(catname) from category order by 1,2; catname | lower ----------+----------- Classical | classical Jazz | jazz MLB | mlb MLS | mls Musicals | musicals NBA | nba NFL | nfl NHL | nhl Opera | opera Plays | plays Pop | pop (11 rows)