Mam 4 tabele w bazie danych:

[MYSQL] pobierz, plaintext 
  1.  
  2.  
  3. 51&q=SET&lr=lang_en">SET SQL_MODE="NO_AUTO_VALUE_ON_ZERO";
  4. --
  5. -- Struktura tabeli dla  `hotele`
  6. --
  7.  
  8. 51&q=CREATE&lr=lang_en">CREATE 51&q=TABLE&lr=lang_en">TABLE `hotele` (
  9.   `id` 51&q=INT&lr=lang_en">int(5) 5.1/en/non-typed-operators.html">NOT 51&q=NULL&lr=lang_en">NULL 51&q=DEFAULT&lr=lang_en">default '0',
  10.   `nazwa` 51&q=VARCHAR&lr=lang_en">varchar(50) character 51&q=SET&lr=lang_en">set latin2 5.1/en/non-typed-operators.html">NOT 51&q=NULL&lr=lang_en">NULL,
  11.   `id_miasta` 51&q=INT&lr=lang_en">int(5) 5.1/en/non-typed-operators.html">NOT 51&q=NULL&lr=lang_en">NULL 51&q=DEFAULT&lr=lang_en">default '0',
  12.   `nazwa_miasta` 51&q=VARCHAR&lr=lang_en">varchar(50) character 51&q=SET&lr=lang_en">set latin2 5.1/en/non-typed-operators.html">NOT 51&q=NULL&lr=lang_en">NULL,
  13.   `id_regionu` 51&q=INT&lr=lang_en">int(5) 5.1/en/non-typed-operators.html">NOT 51&q=NULL&lr=lang_en">NULL 51&q=DEFAULT&lr=lang_en">default '0',
  14.   `nazwa_regionu` 51&q=VARCHAR&lr=lang_en">varchar(50) character 51&q=SET&lr=lang_en">set latin2 5.1/en/non-typed-operators.html">NOT 51&q=NULL&lr=lang_en">NULL,
  15.   `id_kraju` 51&q=INT&lr=lang_en">int(5) 5.1/en/non-typed-operators.html">NOT 51&q=NULL&lr=lang_en">NULL 51&q=DEFAULT&lr=lang_en">default '0',
  16.   `nazwa_kraju` 51&q=VARCHAR&lr=lang_en">varchar(30) character 51&q=SET&lr=lang_en">set latin2 5.1/en/non-typed-operators.html">NOT 51&q=NULL&lr=lang_en">NULL,
  17.   `id_typu_sezonu` 51&q=INT&lr=lang_en">int(1) 5.1/en/non-typed-operators.html">NOT 51&q=NULL&lr=lang_en">NULL 51&q=DEFAULT&lr=lang_en">default '0',
  18.   `nazwa_typu_sezonu` 51&q=VARCHAR&lr=lang_en">varchar(50) character 51&q=SET&lr=lang_en">set latin2 5.1/en/non-typed-operators.html">NOT 51&q=NULL&lr=lang_en">NULL,
  19.   `nazwa_rodzaju_hotelu` 51&q=VARCHAR&lr=lang_en">varchar(50) character 51&q=SET&lr=lang_en">set latin2 5.1/en/non-typed-operators.html">NOT 51&q=NULL&lr=lang_en">NULL,
  20.   `standard_hotelu` 51&q=INT&lr=lang_en">int(1) 5.1/en/non-typed-operators.html">NOT 51&q=NULL&lr=lang_en">NULL 51&q=DEFAULT&lr=lang_en">default '0',
  21.   `opis` 51&q=TEXT&lr=lang_en">text character 51&q=SET&lr=lang_en">set latin2 5.1/en/non-typed-operators.html">NOT 51&q=NULL&lr=lang_en">NULL,
  22.   `zdjecie1` 51&q=VARCHAR&lr=lang_en">varchar(255) character 51&q=SET&lr=lang_en">set latin2 5.1/en/non-typed-operators.html">NOT 51&q=NULL&lr=lang_en">NULL,
  23.   `zdjecie2` 51&q=VARCHAR&lr=lang_en">varchar(255) character 51&q=SET&lr=lang_en">set latin2 5.1/en/non-typed-operators.html">NOT 51&q=NULL&lr=lang_en">NULL,
  24.   `zdjecie3` 51&q=VARCHAR&lr=lang_en">varchar(255) character 51&q=SET&lr=lang_en">set latin2 5.1/en/non-typed-operators.html">NOT 51&q=NULL&lr=lang_en">NULL,
  25.   `zdjecie4` 51&q=VARCHAR&lr=lang_en">varchar(255) character 51&q=SET&lr=lang_en">set latin2 5.1/en/non-typed-operators.html">NOT 51&q=NULL&lr=lang_en">NULL,
  26.   `zdjecie5` 51&q=VARCHAR&lr=lang_en">varchar(255) character 51&q=SET&lr=lang_en">set latin2 5.1/en/non-typed-operators.html">NOT 51&q=NULL&lr=lang_en">NULL,
  27.   `zdjecie6` 51&q=VARCHAR&lr=lang_en">varchar(255) character 51&q=SET&lr=lang_en">set latin2 5.1/en/non-typed-operators.html">NOT 51&q=NULL&lr=lang_en">NULL,
  28.   `zdjecie7` 51&q=VARCHAR&lr=lang_en">varchar(255) character 51&q=SET&lr=lang_en">set latin2 5.1/en/non-typed-operators.html">NOT 51&q=NULL&lr=lang_en">NULL,
  29.   `zdjecie8` 51&q=VARCHAR&lr=lang_en">varchar(255) character 51&q=SET&lr=lang_en">set latin2 5.1/en/non-typed-operators.html">NOT 51&q=NULL&lr=lang_en">NULL,
  30.   `zdjecie9` 51&q=VARCHAR&lr=lang_en">varchar(255) character 51&q=SET&lr=lang_en">set latin2 5.1/en/non-typed-operators.html">NOT 51&q=NULL&lr=lang_en">NULL,
  31.   `zdjecie10` 51&q=VARCHAR&lr=lang_en">varchar(255) character 51&q=SET&lr=lang_en">set latin2 5.1/en/non-typed-operators.html">NOT 51&q=NULL&lr=lang_en">NULL,
  32.   51&q=PRIMARY%20KEY&lr=lang_en">PRIMARY KEY  (`id`),
  33.   51&q=KEY&lr=lang_en">KEY `id_exim` (`id`),
  34.   51&q=FULLTEXT&lr=lang_en">FULLTEXT 51&q=KEY&lr=lang_en">KEY `nazwa` (`nazwa`)
  35. ) 51&q=ENGINE&lr=lang_en">ENGINE=MyISAM 51&q=DEFAULT&lr=lang_en">DEFAULT 51&q=CHARSET&lr=lang_en">CHARSET=utf8;
  36.  
  37. --
  38. -- Zrzut danych tabeli `hotele`
  39. --
  40.  
  41.  
  42. -- --------------------------------------------------------
  43.  
  44. --
  45. -- Struktura tabeli dla  `oferty`
  46. --
  47.  
  48. 51&q=CREATE&lr=lang_en">CREATE 51&q=TABLE&lr=lang_en">TABLE `oferty` (
  49.   `id` 51&q=INT&lr=lang_en">int(5) 5.1/en/non-typed-operators.html">NOT 51&q=NULL&lr=lang_en">NULL 51&q=DEFAULT&lr=lang_en">default '0',
  50.   `id_hotelu` 51&q=INT&lr=lang_en">int(5) 5.1/en/non-typed-operators.html">NOT 51&q=NULL&lr=lang_en">NULL 51&q=DEFAULT&lr=lang_en">default '0',
  51.   `id_pokoju` 51&q=INT&lr=lang_en">int(5) 5.1/en/non-typed-operators.html">NOT 51&q=NULL&lr=lang_en">NULL 51&q=DEFAULT&lr=lang_en">default '0',
  52.   `nazwa_pokoju` 51&q=VARCHAR&lr=lang_en">varchar(30) character 51&q=SET&lr=lang_en">set latin2 5.1/en/non-typed-operators.html">NOT 51&q=NULL&lr=lang_en">NULL 51&q=DEFAULT&lr=lang_en">default '',
  53.   `typ_ceny` 51&q=VARCHAR&lr=lang_en">varchar(6) character 51&q=SET&lr=lang_en">set latin2 5.1/en/non-typed-operators.html">NOT 51&q=NULL&lr=lang_en">NULL 51&q=DEFAULT&lr=lang_en">default '',
  54.   `bazowa_ilosc_osob` 51&q=INT&lr=lang_en">int(2) 5.1/en/non-typed-operators.html">NOT 51&q=NULL&lr=lang_en">NULL 51&q=DEFAULT&lr=lang_en">default '0',
  55.   `ilosc_dostawek` 51&q=INT&lr=lang_en">int(1) 5.1/en/non-typed-operators.html">NOT 51&q=NULL&lr=lang_en">NULL 51&q=DEFAULT&lr=lang_en">default '0',
  56.   `wyzywienie` 5.1/en/string-functions.html">char(3) character 51&q=SET&lr=lang_en">set latin2 5.1/en/non-typed-operators.html">NOT 51&q=NULL&lr=lang_en">NULL 51&q=DEFAULT&lr=lang_en">default '',
  57.   `id_transportu` 51&q=INT&lr=lang_en">int(1) 5.1/en/non-typed-operators.html">NOT 51&q=NULL&lr=lang_en">NULL 51&q=DEFAULT&lr=lang_en">default '0',
  58.   `nazwa_transportu` 51&q=VARCHAR&lr=lang_en">varchar(20) character 51&q=SET&lr=lang_en">set latin2 5.1/en/non-typed-operators.html">NOT 51&q=NULL&lr=lang_en">NULL 51&q=DEFAULT&lr=lang_en">default '',
  59.   51&q=PRIMARY%20KEY&lr=lang_en">PRIMARY KEY  (`id`)
  60. ) 51&q=ENGINE&lr=lang_en">ENGINE=MyISAM 51&q=DEFAULT&lr=lang_en">DEFAULT 51&q=CHARSET&lr=lang_en">CHARSET=utf8;
  61.  
  62. --
  63. -- Zrzut danych tabeli `oferty`
  64. --
  65.  
  66.  
  67. -- --------------------------------------------------------
  68.  
  69. --
  70. -- Struktura tabeli dla  `wycieczki`
  71. --
  72.  
  73. 51&q=CREATE&lr=lang_en">CREATE 51&q=TABLE&lr=lang_en">TABLE `wycieczki` (
  74.   `id` 51&q=INT&lr=lang_en">int(6) 5.1/en/non-typed-operators.html">NOT 51&q=NULL&lr=lang_en">NULL,
  75.   `typ_wycieczki` 51&q=VARCHAR&lr=lang_en">varchar(11) character 51&q=SET&lr=lang_en">set latin2 5.1/en/non-typed-operators.html">NOT 51&q=NULL&lr=lang_en">NULL,
  76.   `id_oferty` 51&q=INT&lr=lang_en">int(5) 5.1/en/non-typed-operators.html">NOT 51&q=NULL&lr=lang_en">NULL,
  77.   `dlugosc_pobytu` 51&q=INT&lr=lang_en">int(2) 5.1/en/non-typed-operators.html">NOT 51&q=NULL&lr=lang_en">NULL,
  78.   `data_start` 51&q=DATE&lr=lang_en">date 5.1/en/non-typed-operators.html">NOT 51&q=NULL&lr=lang_en">NULL,
  79.   `data_koniec` 51&q=DATE&lr=lang_en">date 5.1/en/non-typed-operators.html">NOT 51&q=NULL&lr=lang_en">NULL,
  80.   `cena_bazowa` 51&q=FLOAT&lr=lang_en">float(8,2) 5.1/en/non-typed-operators.html">NOT 51&q=NULL&lr=lang_en">NULL,
  81.   `typ1` 51&q=VARCHAR&lr=lang_en">varchar(4) 5.1/en/non-typed-operators.html">NOT 51&q=NULL&lr=lang_en">NULL,
  82.   `cena_dod1` 51&q=FLOAT&lr=lang_en">float(8,2) 5.1/en/non-typed-operators.html">NOT 51&q=NULL&lr=lang_en">NULL,
  83.   `wiek_od1` 51&q=INT&lr=lang_en">int(2) 5.1/en/non-typed-operators.html">NOT 51&q=NULL&lr=lang_en">NULL,
  84.   `wiek_do1` 51&q=INT&lr=lang_en">int(2) 5.1/en/non-typed-operators.html">NOT 51&q=NULL&lr=lang_en">NULL,
  85.   `typ2` 51&q=VARCHAR&lr=lang_en">varchar(4) 5.1/en/non-typed-operators.html">NOT 51&q=NULL&lr=lang_en">NULL,
  86.   `cena_dod2` 51&q=FLOAT&lr=lang_en">float(8,2) 5.1/en/non-typed-operators.html">NOT 51&q=NULL&lr=lang_en">NULL,
  87.   `wiek_od2` 51&q=INT&lr=lang_en">int(2) 5.1/en/non-typed-operators.html">NOT 51&q=NULL&lr=lang_en">NULL,
  88.   `wiek_do2` 51&q=INT&lr=lang_en">int(2) 5.1/en/non-typed-operators.html">NOT 51&q=NULL&lr=lang_en">NULL,
  89.   `typ3` 51&q=VARCHAR&lr=lang_en">varchar(4) 5.1/en/non-typed-operators.html">NOT 51&q=NULL&lr=lang_en">NULL,
  90.   `cena_dod3` 51&q=FLOAT&lr=lang_en">float(8,2) 5.1/en/non-typed-operators.html">NOT 51&q=NULL&lr=lang_en">NULL,
  91.   `wiek_od3` 51&q=INT&lr=lang_en">int(2) 5.1/en/non-typed-operators.html">NOT 51&q=NULL&lr=lang_en">NULL,
  92.   `wiek_do3` 51&q=INT&lr=lang_en">int(2) 5.1/en/non-typed-operators.html">NOT 51&q=NULL&lr=lang_en">NULL,
  93.   `typ4` 51&q=VARCHAR&lr=lang_en">varchar(4) 5.1/en/non-typed-operators.html">NOT 51&q=NULL&lr=lang_en">NULL,
  94.   `cena_dod4` 51&q=FLOAT&lr=lang_en">float(8,2) 5.1/en/non-typed-operators.html">NOT 51&q=NULL&lr=lang_en">NULL,
  95.   `wiek_od4` 51&q=INT&lr=lang_en">int(2) 5.1/en/non-typed-operators.html">NOT 51&q=NULL&lr=lang_en">NULL,
  96.   `wiek_do4` 51&q=INT&lr=lang_en">int(2) 5.1/en/non-typed-operators.html">NOT 51&q=NULL&lr=lang_en">NULL,
  97.   `typ5` 51&q=VARCHAR&lr=lang_en">varchar(4) 5.1/en/non-typed-operators.html">NOT 51&q=NULL&lr=lang_en">NULL,
  98.   `cena_dod5` 51&q=FLOAT&lr=lang_en">float(8,2) 5.1/en/non-typed-operators.html">NOT 51&q=NULL&lr=lang_en">NULL,
  99.   `wiek_od5` 51&q=INT&lr=lang_en">int(2) 5.1/en/non-typed-operators.html">NOT 51&q=NULL&lr=lang_en">NULL,
  100.   `wiek_do5` 51&q=INT&lr=lang_en">int(2) 5.1/en/non-typed-operators.html">NOT 51&q=NULL&lr=lang_en">NULL,
  101.   `typ6` 51&q=VARCHAR&lr=lang_en">varchar(4) 5.1/en/non-typed-operators.html">NOT 51&q=NULL&lr=lang_en">NULL,
  102.   `cena_dod6` 51&q=FLOAT&lr=lang_en">float(8,2) 5.1/en/non-typed-operators.html">NOT 51&q=NULL&lr=lang_en">NULL,
  103.   `wiek_od6` 51&q=INT&lr=lang_en">int(2) 5.1/en/non-typed-operators.html">NOT 51&q=NULL&lr=lang_en">NULL,
  104.   `wiek_do6` 51&q=INT&lr=lang_en">int(2) 5.1/en/non-typed-operators.html">NOT 51&q=NULL&lr=lang_en">NULL,
  105.   51&q=PRIMARY%20KEY&lr=lang_en">PRIMARY KEY  (`id`)
  106. ) 51&q=ENGINE&lr=lang_en">ENGINE=MyISAM 51&q=DEFAULT&lr=lang_en">DEFAULT 51&q=CHARSET&lr=lang_en">CHARSET=utf8;
  107.  
  108. --
  109. -- Zrzut danych tabeli `wycieczki`
  110. --
  111.  
  112.  
  113. -- --------------------------------------------------------
  114.  
  115. --
  116. -- Struktura tabeli dla  `wyjazdy_przyjazdy`
  117. --
  118.  
  119. 51&q=CREATE&lr=lang_en">CREATE 51&q=TABLE&lr=lang_en">TABLE `wyjazdy_przyjazdy` (
  120.   `id` 51&q=INT&lr=lang_en">int(8) 5.1/en/non-typed-operators.html">NOT 51&q=NULL&lr=lang_en">NULL 51&q=AUTO_INCREMENT&lr=lang_en">auto_increment,
  121.   `id_wycieczki` 51&q=INT&lr=lang_en">int(5) 5.1/en/non-typed-operators.html">NOT 51&q=NULL&lr=lang_en">NULL,
  122.   `przyjazd_odjazd` 51&q=VARCHAR&lr=lang_en">varchar(3) 5.1/en/non-typed-operators.html">NOT 51&q=NULL&lr=lang_en">NULL,
  123.   `typ` 51&q=VARCHAR&lr=lang_en">varchar(6) 5.1/en/non-typed-operators.html">NOT 51&q=NULL&lr=lang_en">NULL,
  124.   `nr_linii_lot` 51&q=INT&lr=lang_en">int(5) 5.1/en/non-typed-operators.html">NOT 51&q=NULL&lr=lang_en">NULL,
  125.   `kod_linii_lot` 51&q=VARCHAR&lr=lang_en">varchar(6) 5.1/en/non-typed-operators.html">NOT 51&q=NULL&lr=lang_en">NULL,
  126.   `data_rozp` 51&q=DATE&lr=lang_en">date 5.1/en/non-typed-operators.html">NOT 51&q=NULL&lr=lang_en">NULL,
  127.   `czas_rozp` 51&q=TIME&lr=lang_en">time 5.1/en/non-typed-operators.html">NOT 51&q=NULL&lr=lang_en">NULL,
  128.   `data_zakon` 51&q=DATE&lr=lang_en">date 5.1/en/non-typed-operators.html">NOT 51&q=NULL&lr=lang_en">NULL,
  129.   `czas_zakon` 51&q=TIME&lr=lang_en">time 5.1/en/non-typed-operators.html">NOT 51&q=NULL&lr=lang_en">NULL,
  130.   `rozp` 51&q=VARCHAR&lr=lang_en">varchar(5) 5.1/en/non-typed-operators.html">NOT 51&q=NULL&lr=lang_en">NULL,
  131.   `zakon` 51&q=VARCHAR&lr=lang_en">varchar(5) 5.1/en/non-typed-operators.html">NOT 51&q=NULL&lr=lang_en">NULL,
  132.   51&q=PRIMARY%20KEY&lr=lang_en">PRIMARY KEY  (`id`)
  133. ) 51&q=ENGINE&lr=lang_en">ENGINE=MyISAM 51&q=DEFAULT&lr=lang_en">DEFAULT 51&q=CHARSET&lr=lang_en">CHARSET=latin2 51&q=AUTO_INCREMENT&lr=lang_en">AUTO_INCREMENT=1 ;
  134.  
  135. --
  136. -- Zrzut danych tabeli `wyjazdy_przyjazdy`
  137. --
  138.  
  139.  
[MYSQL] pobierz, plaintext


Między nimi są takie relacje:

oferty.id_hotelu -> hotele.id (wiele do jednego)

oferty.id -> wycieczki.id_oferty (jeden do wielu)

wycieczki.id -> wyjazdy_przyjazdy.id_wycieczki (jeden do wielu)




Nie wiem czemu, ale takie zapytanie:

[MYSQL] pobierz, plaintext 
  1.  
  2. 51&q=SELECT&lr=lang_en">SELECT 
  3.  
  4. 51&q=DISTINCT&lr=lang_en">DISTINCT oferty.id, hotele.nazwa_kraju 
  5.  
  6. 51&q=FROM&lr=lang_en">FROM 
  7.  
  8. hotele, oferty, wycieczki, wyjazdy_przyjazdy 
  9.  
  10. 51&q=WHERE&lr=lang_en">WHERE 
  11.  
  12. oferty.id_hotelu=hotele.id 5.1/en/non-typed-operators.html">AND 
  13.  
  14. oferty.id=wycieczki.id_oferty 5.1/en/non-typed-operators.html">AND 
  15.  
  16. hotele.id_kraju=20 5.1/en/non-typed-operators.html">AND 
  17.  
  18. wycieczki.id=wyjazdy_przyjazdy.id_wycieczki 5.1/en/non-typed-operators.html">AND 
  19.  
  20. wyjazdy_przyjazdy.data_rozp<='2009-09-19 19:23:36' 
  21.  
  22. 51&q=ORDER%20BY&lr=lang_en">ORDER BY wycieczki.cena_bazowa 
  23.  
  24. 51&q=LIMIT&lr=lang_en">LIMIT 0,10
  25.  
[MYSQL] pobierz, plaintext


trwa ok 0.5 sekundy. :*(

Mój problem polega na tym, że dopiero od niedawna stosuję relacje w bazie danych  i jeszcze nie wszystko łapie sad.gif

Proszę, pomóżcie smile.gif