jotto

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Sep 12th, 2013
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  1. CREATE VIEW pokaz AS
  2. SELECT k.imie, k.nazwisko, p.numer, w.data_we, w.data_wy, (p.cena * days_between(w.data_we,w.data_wy)) FROM klient k, pokoj p, wynajmuje w WHERE p.numer=w.pokoj_id AND k.id=w.klient_id;
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