consulta utilizando distinct

[hola123]

Hola,

Le agregue lo que comentas pero no fuciona;

Select t1.id_monitoreo from (select n.id_nse,m.id_monitoreo,m.id_sitio from tbl_monitoreointernet as m
INNER JOIN tbl_internet i ON (m.id_sitio=i.id_sitio)
INNER JOIN cat_nse n ON (i.id_nse=n.id_nse))
where m.id_monitoreo=5;