45 lines
2.6 KiB
Vala
45 lines
2.6 KiB
Vala
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/*
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* Copyright 2018-2019 Chris Cromer
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*
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* Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the copyright holder nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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namespace Sernatur {
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namespace Constants {
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/**
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* The Q1 statement
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*/
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public const string Q1_STATEMENT = "Genere la vista REGIONES SINDESCUENTO(nombreRegion, cantidad) que contiene el nombre
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de cada región y la cantidad de personas a las que no se les ha aplicado descuento y que han
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visitado algún lugar de la región en algún tour, durante el mes de noviembre del presente año.
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Luego utilizando la vista, muestre las regiones que han recibido la mayor cantidad de turistas
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sin descuento.";
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/**
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* The Q1 sql
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*/
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public const string Q1_SQL = "CREATE VIEW REGIONES_SINDESCUENTO(nombreRegion, cantidad)
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AS (
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SELECT nombre_region, COUNT(R2.rut_turista) FROM region R
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JOIN ciudad C ON (C.id_region = R.id_region) JOIN tour T ON (T.id_ciudad = C.id_ciudad)
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JOIN realiza R2 ON (R2.id_tour = T.id_tour)
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WHERE (
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EXISTS(SELECT fecha_llegada
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FROM asociado
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WHERE (id_tour = T.id_tour AND fecha_llegada BETWEEN '2018-11-01' AND '2018-11-30')
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) AND
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R2.id_descuento = 2
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)
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GROUP BY (R.nombre_region)
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);
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SELECT nombreRegion, cantidad FROM REGIONES_SINDESCUENTO WHERE (cantidad = (SELECT MAX(cantidad) FROM REGIONES_SINDESCUENTO));";
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}
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}
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