15.2.2 OracleNullValueException Constructors
The OracleNullValueException constructors create new instances of the OracleNullValueException class.
                  
Overload List:
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                        This constructor creates a new instance of the OracleNullValueExceptionclass with its default properties.
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                        OracleNullValueException(string) This constructor creates a new instance of the OracleNullValueExceptionclass with the specified error message,errMessage.