Figure 2 The SQLUserDefinedType Attribute

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Property Description
Format.<SerializationFormat> The only required property. Format determines the method of serialization that will be used to store the data (listed below).
MaxByteSize This optional property sets the maximum size of the instance in bytes.
IsFixedLength This optional property determines if the total byte-length of the type is fixed or variable. The default value for this property is false.
IsByteOrdered This optional property, meaningful only for Format.Native and Format.UserDefined, determines if the binary representation of the UDT is ordered. Binary ordering affects various aspects of the UDT, including index, comparison, and ordering abilities. The default for this property is false.