REAL
Le type REAL est synonyme du type FLOAT.
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- languageРусский
Types de données
Types de données en virgule flottante
Types de données pour travailler avec la date et l'heure
DOUBLE PRECISION
Le type de données de type DOUBLE PRECISION est un type de données de 64 bits pour le stockage des nombres à virgule flottante. Il a une précision approximative de 15 décimales.Les nombres de type DOUBLE PRECISION vont de 2.225 x 10-308 à 1.797 x 10308.