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- SELECT COUNT(*)
- FROM produkty p
- JOIN klienci k ON (k.id_klienta = p.id_klienta)
- JOIN oceny o ON (o.id_produktu = p.id_produktu)
- JOIN ankiety a ON (a.id_ankiety = o.id_ankiety)
- WHERE k.imie = 'JAN'
- AND k.nazwisko = 'NOWAK
- AND a.imie_ankietujacego = 'ADAM'
- AND a.nazwisko_ankietujacego = 'NOWAK'
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