CREATE TABLE tbl (timestamp int, name char);
INSERT INTO tbl VALUES (20221006050109, 'A');
INSERT INTO tbl VALUES (20221006050109, 'B');
INSERT INTO tbl VALUES (20221006050109, 'C');
INSERT INTO tbl VALUES (20221006050109, 'D');
INSERT INTO tbl VALUES (20221007050125, 'E');
INSERT INTO tbl VALUES (20221007050125, 'F');
INSERT INTO tbl VALUES (20221007050125, 'G');
INSERT INTO tbl VALUES (20221007050125, 'H');
WITH ranked AS (
SELECT timestamp, name, RANK() OVER (ORDER BY timestamp DESC) rnk
FROM tbl
) SELECT * FROM ranked WHERE rnk = 1;