PREHOOK: query: DESCRIBE FUNCTION lcase
PREHOOK: type: DESCFUNCTION
POSTHOOK: query: DESCRIBE FUNCTION lcase
POSTHOOK: type: DESCFUNCTION
lcase(str) - Returns str with all characters changed to lowercase
PREHOOK: query: DESCRIBE FUNCTION EXTENDED lcase
PREHOOK: type: DESCFUNCTION
POSTHOOK: query: DESCRIBE FUNCTION EXTENDED lcase
POSTHOOK: type: DESCFUNCTION
lcase(str) - Returns str with all characters changed to lowercase
Synonyms: lower
Example:
  > SELECT lcase('Facebook') FROM src LIMIT 1;
  'facebook'