OptionallengthOptionalnullableIndicates whether the column accepts NULL values.
OptionalobjIf the name of the column is different from the name of the property found on rowObj arguments passed to Connection.execBulkLoad, then you can use this option to specify the property name.
OptionaloutputOptionalprecisionFor Numeric, Decimal.
OptionalscaleFor Numeric, Decimal, Time, DateTime2, DateTimeOffset.
For VarChar, NVarChar, VarBinary. Use length as
Infinityfor VarChar(max), NVarChar(max) and VarBinary(max).