El Jue 11 Dic 2003 05:17, Mike U. Petrov escribió:
> No, DISTINCT isn't match my purpose cause of it rerurns unique rows but I
> need ONE user_id per one object_id.
GROUP BY is your answer.
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15:51:02 up 15 days, 22:07, 3 users, load average: 0.90, 0.75, 0.61
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Martín Marqués | select 'mmarques' || '@' || 'unl.edu.ar'
Centro de Telematica | DBA, Programador, Administrador
Universidad Nacional
del Litoral
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