23 lines
661 B
MySQL
23 lines
661 B
MySQL
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CREATE VIEW TOTAL_TURISTAS(idT, nombreT, TotalTuristas)
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AS (
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SELECT T.id_tour, T.nombre_tour, COUNT(R.rut_turista)
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FROM tour T
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JOIN realiza R ON (T.id_tour = R.id_tour)
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JOIN asociado A ON (T.id_tour = A.id_tour)
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JOIN lugar l ON (A.id_lugar = L.id_lugar)
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WHERE (
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L.nivel >= 5 AND
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(A.fecha_llegada BETWEEN '2018-10-01' AND '2018-10-31') AND
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NOT EXISTS (
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SELECT id_enfermedad
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FROM tiene_enfermedad T2
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WHERE (T2.rut_turista = R.rut_turista AND
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(T2.id_enfermedad = 1 OR T2.id_enfermedad = 3)
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)
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)
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)
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GROUP BY (T.id_tour)
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);
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SELECT nombreT, TotalTuristas FROM TOTAL_TURISTAS ORDER BY TotalTuristas DESC;
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