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enlever right join

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Olougouna Axel 2023-01-05 09:56:07 +01:00
commit 638d27f33b
1 changed files with 7 additions and 22 deletions
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request.sql
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@ -3,11 +3,11 @@
-- --------+---+---+---+---+---+---+---+---+---+----+----+----+----+----+----+----+----+----+----+----+----+
-- Axel | | | O | O | | | | | | | | O | O | | | | | | | 0 | |
-- --------+---+---+---+---+---+---+---+---+---+----+----+----+----+----+----+----+----+----+----+----+----+
-- Ronan | | O | | | | O | | | | O | | | | | | x | | | | | |
-- Ronan | | O | | | | O | | | | O | | | | | | x | | O | | | |
-- --------+---+---+---+---+---+---+---+---+---+----+----+----+----+----+----+----+----+----+----+----+----+
-- Yasmine | | | | | O | | | O | | | | | | O | O | | | | O | | O |
-- --------+---+---+---+---+---+---+---+---+---+----+----+----+----+----+----+----+----+----+----+----+----+
-- Nathan | O | | | | | | O | | O | | O | | | | | | O | O | | | |
-- Nathan | O | | | | | | O | | O | | O | | | | | | O | | | | |
-- --------+---+---+---+---+---+---+---+---+---+----+----+----+----+----+----+----+----+----+----+----+----+
-- ^ ^ ^
-- | | |
@ -20,13 +20,6 @@
--Axel, question 3 et 4
--SELECT COUNT(id)
--FROM SELECT idScientifique FROM Enseignant_Chercheur
-- WHERE idScientifique = 01;
--SELECT COUNT(idPublication) as nbCollab FROM Publication
--WHERE classeConf = 'A';
-- Nathan Q1 tested
SELECT Personnel.nom, Scientifique.grade FROM Personnel, Scientifique
WHERE idPersonnel = idScientifique AND idPersonnel IN (
@ -61,10 +54,6 @@ JOIN Publie_Externe pe ON pe.idAuteurExterne = ae.idAuteur
JOIN Publication pub ON pub.idPublication = pe.idPublication
WHERE pub.classeConf = 'A';
-- Nathan Q5 tested
-- SELECT idDoctorant, COUNT(idPublication) FROM Publie_Doctorant
-- GROUP BY idDoctorant;
--Yasmine QUESTION 5 Testé
SELECT iddoctorant, count(distinct idPublication) as NombrePublication
@ -85,15 +74,15 @@ WHERE idPersonnel IN (
);
--Yasmine QUESTION 8 tested
SELECT EC.idEnseignant,P.nom,P.prenom
SELECT P.nom,P.prenom
FROM enseignant_chercheur EC, Personnel P
WHERE P.idPersonnel=EC.idEnseignant and idEnseignant
NOT IN ( (SELECT idScientifique
FROM Publie_scientifique)
UNION
(SELECT idScientifique
(SELECT idScientifique
FROM Encadrement)
);
);
-- Nathan Q9 tested
@ -177,14 +166,14 @@ WHERE idScientifique IN (
WHERE nbProjets = 1
);
-- Nathan QUESTION 18 (celle de Ronan) tested
-- Ronan QUESTION 18 tested
SELECT * from Scientifique
WHERE idScientifique IN (
SELECT idScientifique FROM (
SELECT idScientifique, COUNT(DISTINCT idProjet) AS nbProjets FROM Participe
GROUP BY idScientifique
) AS ParticipationCount
RIGHT JOIN (
JOIN (
SELECT COUNT(DISTINCT idProjet) AS nbTotalProjets FROM Projet
) AS ProjectCount
ON ParticipationCount.nbProjets = ProjectCount.nbTotalProjets
@ -202,15 +191,11 @@ HAVING count(Distinct idEnseignant) >= 50;
SELECT idScientifique, nb_proj FROM
(SELECT idScientifique, COUNT(DISTINCT idProjet) AS nb_proj FROM Participe
GROUP BY idScientifique) AS ScientPub
JOIN (SELECT MAX(nb_proj) AS nbmax FROM
(SELECT idScientifique, COUNT(DISTINCT idProjet) AS nb_proj FROM Participe
GROUP BY idScientifique) AS Scient) AS Sc
ON Sc.nbmax = ScientPub.nb_proj;
--WHERE ScientPub.nb_publie_S = SC.nbmax ;
--Yasmine QUESTION 21 Testé