I have table named as test like
+------+------+-------+-------+
| id | date | xname | yname |
+------+------+-------+-------+
| 1001 | 2015 | A | A |
| 1001 | 2014 | B | Y |
| 1002 | 2016 | A | A |
| 1001 | 2016 | B | Y |
| 1002 | 2014 | A | A |
+------+------+-------+-------+
And i want unique values from each column like
+------+------+-------+-------+
| id | date | xname | yname |
+------+------+-------+-------+
| 1001 | 2014 | B | Y |
| 1002 | 2016 | A | A |
+------+------+-------+-------+