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CREATE TABLE userdata (
`SlNo` INTEGER,
`UserID` INTEGER,
`points` VARCHAR(5)
);
INSERT INTO userdata
(`SlNo`, `UserID`, `points`)
VALUES
('1', '001', 'Three'),
('2', '002', 'Three'),
('3', '001', 'Thr');
SELECT `points` FROM userdata WHERE `UserID` IN (SELECT `UserID` FROM userdata GROUP BY `UserID` HAVING COUNT(*) = 1)
| points |
|---|
| Three |
SELECT `points`
FROM userdata u1 INNER JOIN (SELECT `UserID` FROM userdata GROUP BY `UserID` HAVING COUNT(*) = 1) u2 ON u1.`UserID` = u2.`UserID`
| points |
|---|
| Three |