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Compte changement de valeur
Posted by: Martin Fafard
Date: March 03, 2020 12:38PM

Bonjour

J'ai une table avec colonne timestamp et une avec 0/1
21-02-2020 11:13:14 1
21-02-2020 11:13:24 1
21-02-2020 11:13:34 0
21-02-2020 11:13:44 1
21-02-2020 11:13:54 1
21-02-2020 11:14:04 0
21-02-2020 11:14:14 0
21-02-2020 11:14:24 0
21-02-2020 11:14:34 1
21-02-2020 11:14:44 1

Quelle requête me permettra de connaître le nombre de passage de 0 à 1 ?
Dans mon exemple, la réponse est 2

Merci

Martin

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