UPDATE `table` SET `column` = replace(`column`, 'find text', 'replace text')
#Search, Update & Replace Query
UPDATE `tblname` SET `description`= REPLACE(`description`, 'old name', 'New Name') WHERE `description` LIKE '%old name%';
#REPLACE(string, from_string, new_string)
SELECT REPLACE(myText, "a", "b") as myText FROM tableText;