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Nu am testat.

SELECT `id_concurent` AS `ConcurentCuRatari`, `b1`, `b2`, `b3`, `b4`, `b5`, `b6`, `b7`, `b8`, `b9`, `b10` FROM `Bowling`
WHERE 0 IN(`b1`, `b2`, `b3`, `b4`, `b5`, `b6`, `b7`, `b8`, `b9`, `b10`) AND HAVING COUNT(*) < 3 AND GROUP BY `id_concurent`

SELECT `id_concurent`, SUM(CASE WHEN
(b1 <= 0 AND COUNT(b1) < 3) OR
(b2 <= 0 AND COUNT(b2) < 3) OR
(b3 <= 0 AND COUNT(b3) < 3) OR
(b4 <= 0 AND COUNT(b4) < 3) OR
(b5 <= 0 AND COUNT(b5) < 3) OR
(b6 <= 0 AND COUNT(b6) < 3) OR
(b7 <= 0 AND COUNT(b7) < 3) OR
(b8 <= 0 AND COUNT(b8) < 3) OR
(b9 <= 0 AND COUNT(b9) < 3) OR
(b10 <= 0 AND COUNT(b10) < 3)
THEN 1
ELSE 0
END) AS ConcurentCuRatari
FROM `Bowling` GROUP BY `id_concurent`

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Trebuie sa caute in coloane multiple daca Vasile, George sau Ionel au punctaj 0 de 3 ori in una dintre coloanele b(3 ratari).

ex:

George:

b1 b2 b3 b4 b5 b6 b7 b8 b9 b10

1 1 2 6 6 8 12 0 1 2

True(Conditie adevarata, are trei de 0 adica 3 ratari)

Vasile:

b1 b2 b3 b4 b5 b6 b7 b8 b9 b10

1 0 2 0 6 8 12 0 1 2

George:

b1 b2 b3 b4 b5 b6 b7 b8 b9 b10

1 0 2 6 6 8 12 0 1 2

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