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Which type of database stores records as flexible JSON-like documents, where two records need not have the same fields?

Quel type de base de données stocke les enregistrements sous forme de documents souples de type JSON, où deux enregistrements n'ont pas forcément les mêmes champs ?

Answers
AA relational database with fixed columnsUne base relationnelle à colonnes fixes
BA document database such as MongoDBUne base orientée documents comme MongoDB
CA spreadsheetUn tableur
DA flat text fileUn fichier texte à plat
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