Notes
Notes - notes.io |
--QUERY :
SELECT PRESENTES.DEPARTAMENTO_UC, ROUND((PRESENTES.PRESENTES*100/INSCRITOS.INSCRITOS)/14,2) AS MEDIA_PRES
FROM
(
SELECT DUC.DEPARTAMENTO_UC, COUNT( TFACT.ALUNO_KEY) AS PRESENTES
FROM T_FACT_PRESENCA TFACT
JOIN T_DIM_UC DUC ON DUC.UC_KEY = TFACT.UC_KEY
JOIN T_DIM_AULA_SEMANA DAULA ON DAULA.AULA_SEMANA_KEY = TFACT.AULA_KEY
GROUP BY DUC.DEPARTAMENTO_UC
) PRESENTES
JOIN
(
SELECT DUC.DEPARTAMENTO_UC, COUNT( TFACT.ALUNO_KEY) AS INSCRITOS
FROM T_FACT_INSCRITO TFACT
JOIN T_DIM_UC DUC ON DUC.UC_KEY = TFACT.UC_KEY
GROUP BY DUC.DEPARTAMENTO_UC
) INSCRITOS ON INSCRITOS.DEPARTAMENTO_UC = PRESENTES.DEPARTAMENTO_UC;
/* OUTPUT
DEPARTAMENTO_UC MEDIA_PRES
---------------------------------------------------------------------------------------------------- ----------
Engenharia Informática 49,14
Matemática 38,7
Engenharia Eletrotécnica 61,67
*/
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