SELECT only latest record of an ID from given rows

Question

I have this table shown below...How do I select only the latest data of the id based on changeno?

+----+--------------+------------+--------+
| id |  data   | ch         


        

Answer 1

for other alternatives :

DECLARE @Table1 TABLE
(
 id INT, data VARCHAR(5), changeno INT
);

INSERT INTO @Table1
SELECT 1,'Yes',1
UNION ALL
SELECT 2,'Yes',2
UNION ALL
SELECT 2,'Maybe',3
UNION ALL
SELECT 3,'Yes',4
UNION ALL
SELECT 3,'Yes',5
UNION ALL
SELECT 3,'No',6
UNION ALL
SELECT 4,'No',7
UNION ALL
SELECT 5,'Maybe',8
UNION ALL
SELECT 5,'Yes',9

SELECT Y.id, Y.data, Y.changeno
FROM @Table1 Y
INNER JOIN (
    SELECT id, changeno = MAX(changeno) 
    FROM @Table1 
    GROUP BY id
) X ON X.id = Y.id 
WHERE X.changeno = Y.changeno
ORDER BY Y.id