SQL HEX

tmp.sql

SELECT
	LOWER(CONCAT(
		SUBSTR(HEX(user_id), 1, 8), '-',
		SUBSTR(HEX(user_id), 9, 4), '-',
		SUBSTR(HEX(user_id), 13, 4), '-',
		SUBSTR(HEX(user_id), 17, 4), '-',
		SUBSTR(HEX(user_id), 21)
	)) as userId
FROM user
WHERE company_id = unhex(replace('9c00fd3e-cd10-4797-8fb8-2fb433690ea6','-',''));

# Spring Data
# @Column(columnDefinition = "binary(16)", name="user_id", nullable = false)
# private UUID userId;