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Jan 23rd, 2017
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  1. SELECT imie, funkcja, szef1 "Szef 1", NVL(szef2, ' ') "Szef 2", NVL(szef3, ' ') "Szef 3"
  2. FROM (
  3. SELECT imie, funkcja,
  4. (SELECT imie FROM KOCURY_OB K WHERE K.pseudo=k2.szef) szef1,
  5. (SELECT imie FROM KOCURY_OB KK WHERE KK.pseudo = (SELECT szef FROM KOCURY_OB K WHERE K.pseudo = k2.szef)) szef2,
  6. (SELECT imie FROM KOCURY_OB KKK WHERE KKK.pseudo = (SELECT szef FROM KOCURY_OB KK WHERE KK.pseudo=( SELECT szef FROM KOCURY_OB K WHERE K.pseudo=k2.szef))) szef3,
  7. CONNECT_BY_ROOT imie Korzen
  8. FROM KOCURY_OB k2
  9. CONNECT BY PRIOR szef = pseudo
  10. START WITH funkcja IN ('KOT', 'MILUSIA'))
  11. WHERE Korzen = imie;
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