My table definition :
id | fref | mref ------+-----------+---------- 1 | 23 | 25 2 | 24 | 28 3 | 25 | 31 4 | 26 | 34
i need a query that results in this :
id | ref
------+----------
1 | 23 1 | 25
2 | 24
2 | 28
3 | 25 3 | 31
4 | 26 4 | 34
Do I need a crosstab-query ? Who can help me ?
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