Sometime back I was looking for a built-in initcap/ucfirst function in MySQL but unfortunately couldn't find such string functions so decided to write my own.. thanks to the MySQL community member who corrected the bug in my function & posted it back.

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DELIMITER $$
 
DROP FUNCTION IF EXISTS `test`.`initcap`$$
 
CREATE FUNCTION `initcap`(x char(30)) RETURNS char(30) CHARSET utf8
BEGIN
SET @str='';
SET @l_str='';
WHILE x REGEXP ' ' DO
SELECT SUBSTRING_INDEX(x, ' ', 1) INTO @l_str;
SELECT SUBSTRING(x, LOCATE(' ', x)+1) INTO x;
SELECT CONCAT(@str, ' ', CONCAT(UPPER(SUBSTRING(@l_str,1,1)),LOWER(SUBSTRING(@l_str,2)))) INTO @str;
END WHILE;
RETURN LTRIM(CONCAT(@str, ' ', CONCAT(UPPER(SUBSTRING(x,1,1)),LOWER(SUBSTRING(x,2)))));
END$$
 
DELIMITER ;


Usage:

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select initcap('umesh kumar shastry');


Umesh Kumar Shastry