« Mysql » : différence entre les versions

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* entre 2 dates
* entre 2 dates
  where DATE(t.unedate) between DATE('2023-07-31') AND DATE('2023-08-01')  
  where DATE(t.unedate) between DATE('2023-07-31') AND DATE('2023-08-01')  
where '2023-05-28' BETWEEN t.valide_du AND t.valide_au


* repérer les doublons:
* repérer les doublons: