SELECT CASE WHEN t14.name IS NULL THEN 'n/a' ELSE t14.name END AS "Nombre", CASE WHEN t14.location IS NULL THEN 'n/a' ELSE t14.location END AS "Dirección", t6.model AS "Tipo", t6.version AS "Versión", ostype||' '||osversion AS "S.O.", t0.time AT TIME ZONE 'GMT' AS "Tiempo", CASE WHEN cast(to_char((now()-t0.time AT TIME ZONE 'GMT' ),'SSSS') as numeric)