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- -- ULOHA 1
- select z.zid, z.nazev, o.oid,
- datediff(hour, o.vytvorena, o.potvrzena) as hodin
- from zbozi z
- join polozka p on p.zid = z.zid
- join objednavka o on o.oid = p.oid
- where o.potvrzena IS NOT NULL
- group by z.zid, o.vytvorena, o.potvrzena, z.nazev, o.oid
- having datediff(hour, o.vytvorena, o.potvrzena) = (
- select MIN(hodin.hodin2) from (
- select datediff(hour, ob.vytvorena, ob.potvrzena) as hodin2
- from zbozi zb
- join polozka po on po.zid=zb.zid
- join objednavka ob on ob.oid = po.oid
- where ob.potvrzena IS NOT NULL and zb.zid = z.zid
- ) hodin
- )
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