Code: Alles auswählen
SELECT a.doz_kuerzel AS "Kürzel", s.vorname AS "Vorname", a.datum AS "Datum", ( 60 * a.bis_stunde + a.bis_minute - 60 * a.von_stunde - a.von_minute ) AS "Minuten", MONTH( a.datum ) AS "Monat", YEAR( a.datum ) AS "Jahr"
FROM arbeitsnachweis a, student s
WHERE a.stud_nummer = s.ID ORDER BY a.doz_kuerzel, a.datum, s.ID
Code: Alles auswählen
SELECT "a"."doz_kuerzel" AS "Kürzel", "s"."vorname" AS "Vorname", "a"."datum", ( 60 * "a"."bis_stunde" + "a"."bis_minute" - 60 * "a"."von_stunde" - "a"."von_minute" ) AS "Minuten", MONTH( "a"."datum" ) AS "Monat", YEAR( "datum" ) AS "Jahr" FROM "arbeitsnachweis" "a", "student" "s" WHERE "a"."stud_nummer" = "s"."ID" ORDER BY "a"."doz_kuerzel", "a"."datum", "s"."ID"