46 lines
1.2 KiB
MySQL
46 lines
1.2 KiB
MySQL
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/* 1. feladat AKA 12.feladat*/
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CREATE DATABASE mozaik CHARACTER SET="utf8" COLLATE="utf8_hungarian_ci";
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/*14.feladat*/
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SELECT COUNT(id) as `nagyrendezvenyek szama`
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FROM rendezveny
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WHERE letszam >= 100;
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/*15. feladat*/
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SELECT rendezveny.idopont as `kezdonap`,
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rendezveny.napokszama as `napokszama`,
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rendezveny.letszam as `resztvevok szama`
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FROM rendezveny
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INNER JOIN helyszin ON helyszin.id = rendezveny.helyszinId
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WHERE helyszin.nev LIKE "Szeged";
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/* 16*/
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UPDATE kapcsolat SET cegnev = "BugFix IT"
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WHERE nev LIKE "Nagy Béla";
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/*17*/
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SELECT tipus.nev as `tipus`,
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rendezveny.letszam / rendezveny.napokszama as `atlagletszam`
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FROM rendezveny
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INNER JOIN tipus ON tipus.id = rendezveny.tipusId
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GROUP BY tipus.nev
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ORDER BY `atlagletszam` DESC LIMIT 2;
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/*18*/
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SELECT helyszin.nev FROM helyszin
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WHERE helyszin.nev NOT IN
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(SELECT helyszin.nev FROM rendezveny
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INNER JOIN helyszin ON helyszin.id = rendezveny.helyszinId);
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/*19*/
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SELECT kapcsolat.nev as `nev`,
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kapcsolat.email as `email cim`,
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((rendezveny.napokszama * 20000) + (rendezveny.letszam * 1000))
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AS `szervezesi dij`
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FROM rendezveny
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INNER JOIN tipus ON rendezveny.tipusId = tipus.id
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INNER JOIN kapcsolat ON kapcsolat.id = rendezveny.kapcsolatId
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WHERE tipus.nev LIKE "tréning";
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