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- SELECT TYTUL,
- ROUND(MIN(DATA_ZWROTU::DATE - DATA_WYPOZYCZENIA::DATE),1) MIN,
- ROUND(MAX(DATA_ZWROTU::DATE - DATA_WYPOZYCZENIA::DATE),1) MAX,
- ROUND(AVG(DATA_ZWROTU::DATE - DATA_WYPOZYCZENIA::DATE),1) sre,
- COUNT(DATA_WYPOZYCZENIA) razy
- FROM WYPOZYCZENIA NATURAL JOIN KOPIE
- NATURAL JOIN FILMY
- GROUP BY TYTUL
- ORDER BY RAZY DESC, SRE
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