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Merge pull request #34 from cromerc/feature_optimizacion

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Chris Cromer 2020-08-08 20:03:13 -04:00 committed by GitHub
commit 17e2a02531
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optimizacion.sql
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@ -1,4 +1,4 @@
SELECT P.ID_PAIS, P.NOMBRE, COUNT(1) AS CANTIDAD_ATLETA
SELECT P.ID_PAIS, P.NOMBRE, COUNT(A.ID_ATLETA) 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