CREATE TABLE `ban_detector` (
  `fingerprint` varchar(512) NOT NULL,
  `ip` varchar(64) NOT NULL,
  `created_on` datetime DEFAULT CURRENT_TIMESTAMP,
  `ID` int AUTO_INCREMENT,
  PRIMARY KEY (`fingerprint`,`ip`),
  KEY `ID` (`ID`)
)


CREATE TABLE `ban_detector_steamids` (
	`steamid` varchar(64) DEFAULT NULL,
	`name` varchar(128) DEFAULT NULL,
	`ID` int NOT NULL,
	 FOREIGN KEY (`ID`) REFERENCES ban_detector(ID)
    ON DELETE CASCADE
)

--usefull read query
select bd2.* from ban_detector bd2
inner join
(
SELECT fingerprint,
       count(*) AS c
FROM ban_detector bd
GROUP BY fingerprint
HAVING c > 1
ORDER BY c DESC
) as t
on bd2.fingerprint = t.fingerprint