24 sec different between two same orders...

[SFiend]

Hello,
could you tell me where is different or where is an mistake?

CREATE  TEMPORARY  TABLE Pomocna_tabulka 
SELECT Edar_Nakupy.Sleva AS Sleva, Edar_Nakupy.Duvod_slevy AS Duvod_slevy, ( Edar_Zbozi.Nakupni_cena * ( 1 - ( Edar_Nakupy.Sleva /100  )  )  ) AS Nakupni_cena_po_sleve, ( Edar_Zbozi.Nakupni_cena * Edar_Zbozi.Nakupni_kurz ) AS Nakupni_cena_v_mene, ( Edar_Zbozi.Nakupni_cena * ( 1 - ( Edar_Nakupy.Sleva /100  )  )  * Edar_Zbozi.Nakupni_kurz ) AS Nakupni_cena_v_mene_po_sleve, Edar_Zbozi.Prodejni_cena AS Konecna_cena, ( Edar_Zbozi.Prodejni_cena * ( 1 + ( Edar_Prodeje.Dph /100  )  )  ) AS Konecna_cena_s_dph, ( ( ( Edar_Zbozi.Prodejni_cena *100 ) / ( Edar_Zbozi.Nakupni_cena * Edar_Zbozi.Nakupni_kurz )  ) -100 ) AS Rabat, Edar_Zbozi. * , Edar_Skupiny.Nazev AS Nazev_skupiny, Edar_Podskupiny.Nazev AS Nazev_podskupiny, Edar_Polozky.Obrazek AS Obrazek
FROM Edar_Prevody, Edar_Nakupy, Edar_Prodeje, Edar_Zbozi, Edar_Skupiny, Edar_Podskupiny, Edar_Polozky
WHERE 7 
LIKE Edar_Zbozi.Id_prevodu AND Edar_Zbozi.Id_prevodu
LIKE Edar_Prevody.Id AND Edar_Zbozi.Id_prodeje
LIKE Edar_Prodeje.Id AND Edar_Zbozi.Id_nakupu
LIKE Edar_Nakupy.Id AND Edar_Prevody.Datum
BETWEEN 0  AND 1103817635  AND Edar_Podskupiny.Id_skupiny
LIKE Edar_Skupiny.Id AND Edar_Polozky.Id_podskupiny
LIKE Edar_Podskupiny.Id AND Edar_Zbozi.Id_polozky
LIKE Edar_Polozky.Id
ORDER BY Nazev_polozky ASC

and

SELECT Edar_Nakupy.Sleva AS Sleva, Edar_Nakupy.Duvod_slevy AS Duvod_slevy, ( Edar_Zbozi.Nakupni_cena * ( 1 - ( Edar_Nakupy.Sleva /100  )  )  ) AS Nakupni_cena_po_sleve, ( Edar_Zbozi.Nakupni_cena * Edar_Zbozi.Nakupni_kurz ) AS Nakupni_cena_v_mene, ( Edar_Zbozi.Nakupni_cena * ( 1 - ( Edar_Nakupy.Sleva /100  )  )  * Edar_Zbozi.Nakupni_kurz ) AS Nakupni_cena_v_mene_po_sleve, Edar_Zbozi.Prodejni_cena AS Konecna_cena, ( Edar_Zbozi.Prodejni_cena * ( 1 + ( Edar_Prodeje.Dph /100  )  )  ) AS Konecna_cena_s_dph, ( ( ( Edar_Zbozi.Prodejni_cena *100 ) / ( Edar_Zbozi.Nakupni_cena * Edar_Zbozi.Nakupni_kurz )  ) -100 ) AS Rabat, Edar_Zbozi. * , Edar_Skupiny.Nazev AS Nazev_skupiny, Edar_Podskupiny.Nazev AS Nazev_podskupiny, Edar_Polozky.Obrazek AS Obrazek
FROM Edar_Prevody, Edar_Nakupy, Edar_Prodeje, Edar_Zbozi, Edar_Skupiny, Edar_Podskupiny, Edar_Polozky
WHERE 7 
LIKE Edar_Zbozi.Id_prevodu AND Edar_Zbozi.Id_prevodu
LIKE Edar_Prevody.Id AND Edar_Zbozi.Id_prodeje
LIKE Edar_Prodeje.Id AND Edar_Zbozi.Id_nakupu
LIKE Edar_Nakupy.Id AND Edar_Prevody.Datum
BETWEEN 0  AND 1103817635  AND Edar_Podskupiny.Id_skupiny
LIKE Edar_Skupiny.Id AND Edar_Polozky.Id_podskupiny
LIKE Edar_Podskupiny.Id AND Edar_Zbozi.Id_polozky
LIKE Edar_Polozky.Id
ORDER  BY Nazev_polozky ASC

there is 23 seconds different. The first order only make temporary table.