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Dati Aperti

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prepare("SELECT COUNT(*) as n FROM Libri"); $stmt->execute(); $data = $stmt->fetch(); echo "Volumi: " . $data["n"]; $vols = $data["n"]; ?>

prepare("SELECT COUNT(DISTINCT Autore) as n FROM Libri"); $stmt->execute(); $data = $stmt->fetch(); echo "Autori: " . $data["n"]; ?>