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GID Projects 2020-08-08 19:29:44 -04:00
parent 58cb065af8
commit d8f66f71be
1 changed files with 18 additions and 0 deletions
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optimizacion.sql Normal file
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SELECT P.ID_PAIS, P.NOMBRE, COUNT(1) AS CANTIDAD_ATLETA
FROM COMPETENCIA C
LEFT JOIN PARTICIPAR_COMPETENCIA PC ON (C.ID_COMPETENCIA = PC.ID_COMPETENCIA)
LEFT JOIN ATLETA A ON A.ID_ATLETA = PC.ID_ATLETA
INNER JOIN DELEGACION D ON (D.ATLETA = A.ID_ATLETA)
INNER JOIN PAIS P ON (P.ID_PAIS = D.PAIS)
INNER JOIN TIPOS_DEPORTES TD ON (C.TIPO = TD.ID_TIPO AND (UPPER(TD.DESCRIPCION) = 'ATLETISMO'))
GROUP BY (P.ID_PAIS, P.NOMBRE);
SELECT P.ID_PAIS, P.NOMBRE, COUNT(*) AS CANTIDAD_ATLETA
FROM COMPETENCIA C
LEFT JOIN PARTICIPAR_COMPETENCIA PC ON (C.ID_COMPETENCIA = PC.ID_COMPETENCIA)
LEFT JOIN ATLETA A ON A.ID_ATLETA = PC.ID_ATLETA
INNER JOIN DELEGACION D ON (D.ATLETA = A.ID_ATLETA)
INNER JOIN PAIS P ON (P.ID_PAIS = D.PAIS)
WHERE TIPO = (SELECT TD.ID_TIPO FROM TIPOS_DEPORTES TD WHERE (UPPER(TD.DESCRIPCION) = 'ATLETISMO'))
GROUP BY (P.ID_PAIS, P.NOMBRE);