Wie man die Stunden und Minuten in oracle sql?

Ich will kommen und Anzeige von Datum, Stunden und Minuten getrennt (3 Spalten: Datum, Stunden und Minuten)

Mein script funktioniert nicht. Wie man dieses Problem beheben? Danke

Hier der sql:

 select trunc(t.create_time, 'DD') as createdate
            ,trunc(t.close_time, 'DD') as closedate
            ,datepart(hour, t.close_time()) as hours
            ,datepart(minute, t.close_time()) as minutes
            ,count(t.close_time) as total
      from app_account.otrs_ticket t
      left join app_account.otrs_user u
      on t.create_user_id=u.id
      where u.id not in (15,7,31,49,50,52,62,66,69,106,17,24,44,32,33,55,22,29,30,47,45,53,70,74,109,1,2,10,23,68,80,20,21,56,108,67)
      group by trunc(t.create_time, 'DD')
              ,trunc(t.close_time, 'DD')
              ,datepart(hour, t.close_time())
              ,datepart(minute, t.close_time())
      order by trunc(t.create_time, 'DD') desc

InformationsquelleAutor User014019 | 2014-10-30

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