SQL - Write a query to find customers who have no orders yet

CREATE TABLE `t_customer` (
  `id` bigint(20) NOT NULL,
  `name` varchar(255) DEFAULT NULL,
  `email` varchar(255) DEFAULT NULL,
  PRIMARY KEY (`id`)
)

CREATE TABLE `t_order` (
  `id` bigint(20) NOT NULL,
  `cust_id` bigint(20) NOT NULL,
  `amount` bigint(20) DEFAULT NULL,
  PRIMARY KEY (`id`),
  CONSTRAINT `FK3oltq1wdwn8hskut0cgb0nd4x` FOREIGN KEY (`cust_id`) REFERENCES `t_customer` (`id`)
)

SELECT
    c.id, c.name
FROM
    Customer c
        LEFT OUTER JOIN
    Orders o ON c.id = o.cust_id
WHERE
    o.cust_id IS NULL;

SELECT
    *
FROM
    Customer c
WHERE
    c.id NOT IN (SELECT
            o.cust_id
        FROM
            Orders o);