_DataTypes.UnsignedDoublePrecision (gb.mysql)
Function UnsignedDoublePrecision ( Length As Integer [ , Decimals As Integer ] ) As String
Retourne le type de donnée MySQL DOUBLE PRECISION(
M,
D) UNSIGNED
Etendue : 2.2250738585072014E-308 à 1.7976931348623157E+308 et 0