2023-10-10 07:15:19 +00:00
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A feladatok megoldására elkészített SQL parancsokat illessze be a feladat sorszáma után!
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***
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15. feladat
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***
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16. feladat
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2023-10-10 07:20:07 +00:00
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SELECT count(autok.id) as `sportautok-szama`
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FROM autok
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WHERE kategoriaId = 4;
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2023-10-10 07:15:19 +00:00
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***
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17. feladat
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2023-10-24 07:06:41 +00:00
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SELECT autok.nev, autok.szin
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FROM autok
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2023-10-24 06:50:27 +00:00
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INNER JOIN kategoriak ON autok.kategoriaId = kategoriak.id
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2023-10-10 07:20:07 +00:00
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WHERE kategoriak.nev = "Limuzin"
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2023-10-24 06:45:10 +00:00
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ORDER BY trim(autok.nev) ASC;
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2023-10-10 07:20:07 +00:00
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2023-10-10 07:15:19 +00:00
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***
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18. feladat
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2023-10-10 07:23:59 +00:00
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INSERT INTO autok (rendszam, szin, kategoriaId, nev, evjarat, ar) VALUES
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("OT44-01", "Fekete-piros", 3, "GMC andura Szupercsapat kiadás", 1983, 18000);
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2023-10-10 07:15:19 +00:00
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***
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19. feladat
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2023-10-24 07:06:41 +00:00
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SELECT autok.nev, sum(berlesek.mennyiseg) AS `mennyiseg`
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FROM berlesek
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INNER JOIN autok ON autok.id = berlesek.autoId
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2023-10-10 07:23:59 +00:00
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GROUP BY autok.id
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2023-10-24 07:04:07 +00:00
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ORDER BY `mennyiseg` DESC
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2023-10-10 07:23:59 +00:00
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LIMIT 5;
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2023-10-10 07:15:19 +00:00
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***
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20. feladat
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2023-10-24 06:02:36 +00:00
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SELECT
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2023-10-24 07:04:07 +00:00
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sum((berlesek.mennyiseg * autok.ar) + berlesek.biztositas) AS `osszes-bevetel`,
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max(round((berlesek.biztositas / ((berlesek.mennyiseg * autok.ar) + berlesek.biztositas)) * 100)) AS `max-biztositas-arany`
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2023-10-24 06:02:36 +00:00
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FROM berlesek
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INNER JOIN autok ON autok.id = berlesek.autoId;
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