mysql substitua um personagem em uma string
UPDATE users SET first_name = REPLACE (first_name, 'search', 'replace_with') where id > 0;
Grepper
UPDATE users SET first_name = REPLACE (first_name, 'search', 'replace_with') where id > 0;UPDATE
table_name
SET
column_name = REPLACE(column_name, 'text to find', 'text to replace with')
WHERE
column_name LIKE '%text to find%';UPDATE `table` SET `column` = replace(`column`, 'find text', 'replace text')UPDATE products SET
productDescription = REPLACE(productDescription,'abuot','about');#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;