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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 | | O | | | |
-- Ronan | | O | | | | O | | | | O | | | | | | x | | | | | |
-- --------+---+---+---+---+---+---+---+---+---+----+----+----+----+----+----+----+----+----+----+----+----+
-- Yasmine | | | | | O | | | O | | | | | | O | O | | | | O | | O |
-- --------+---+---+---+---+---+---+---+---+---+----+----+----+----+----+----+----+----+----+----+----+----+
-- Nathan | O | | | | | | O | | O | | O | | | | | | O | | | | |
-- Nathan | O | | | | | | O | | O | | O | | | | | | O | O | | | |
-- --------+---+---+---+---+---+---+---+---+---+----+----+----+----+----+----+----+----+----+----+----+----+
-- ^ ^ ^
-- | | |
@ -181,14 +181,14 @@ WHERE idScientifique IN (
WHERE nbProjets = 1
);
-- Ronan QUESTION 18 tested
-- Nathan QUESTION 18 (celle de Ronan) tested
SELECT * from Scientifique
WHERE idScientifique IN (
SELECT idScientifique FROM (
SELECT idScientifique, COUNT(DISTINCT idProjet) AS nbProjets FROM Participe
GROUP BY idScientifique
) AS ParticipationCount
JOIN (
RIGHT JOIN (
SELECT COUNT(DISTINCT idProjet) AS nbTotalProjets FROM Projet
) AS ProjectCount
ON ParticipationCount.nbProjets = ProjectCount.nbTotalProjets