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Apr 8th, 2020
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SQL 0.33 KB | None | 0 0
  1.     SELECT V1.IdVolo, V1.IdAArrivo, V2.IdVolo AS IdProssimoVolo
  2.     FROM Voli V1 JOIN Voli V2 ON (V1.IdAArrivo = V2.IdAPartenza AND V1.Giorno = V2.Giorno)
  3.     WHERE V2.Ora > V1.Ora AND NOT EXISTS (
  4.                             SELECT *
  5.                             FROM Voli V3
  6.                             WHERE V3.Giorno = V2.Giorno
  7.                                 AND V3.IdAPartenza = V2.IdAPartenza
  8.                                 AND V3.Ora < V2.Ora
  9. )
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