Upload DELETE.sql

SQL/DELETE.sql

+DROP TABLE trajet;
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+DROP TABLE billet;
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+DROP TABLE voyageur;
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+DROP TYPE typevoyageur;
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+DROP TYPE typestatus;
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+DROP TYPE typepaiement;
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+DROP TABLE horaires;
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+DROP TYPE typeexcept;
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+DROP TYPE typehoraire;
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+DROP TABLE calendrier;
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+DROP TYPE typejour;
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+DROP TABLE arret;
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+DROP TABLE train;
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+DROP TYPE typetrain;
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+DROP TABLE ligne;
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+DROP TABLE gare;
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+DROP TABLE ville;
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