mysql怎么找到随机密码

DELIMITER //

CREATE FUNCTION GenerateRandomPassword(length INT) RETURNS VARCHAR(255)
BEGIN
    DECLARE password VARCHAR(255);
    DECLARE chars VARCHAR(100) DEFAULT 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789';
    DECLARE i INT DEFAULT 0;
    DECLARE randomIndex INT;
    SET password = '';

    WHILE i < length DO
        SET randomIndex = FLOOR(RAND() * CHAR_LENGTH(chars) + 1);
        SET password = CONCAT(password, SUBSTRING(chars, randomIndex, 1));
        SET i = i + 1;
    END WHILE;

    RETURN password;
END //

DELIMITER ;

SELECT GenerateRandomPassword(10);