regarding that question: How to count rows that have the same values in two columns (SQL)?
is there a way to return only the rows where the count is < 3?
+-----+-----+-----+
| A | B |count|
+=====+=====+=====+
| 1 | 3 | 2 |
+-----+-----+-----+
| 4 | 2 | 1 |
+-----+-----+-----+