Enable SQLDescribeParam Attribute EnableDescribeParam (EDP) Purpose Determines whether the driver uses the SQLDescribeParam function, which describes parameters as a data type of SQL_VARCHAR with a length of 255 for statements. Valid Values 0 | 1 Behavior If set to 1 (enabled), the SQLDescribeParam function describes parameters as a data type of SQL_VARCHAR with a length of 255 for statements. If set to 0 (disabled), the SQLDescribeParam function returns the standard ODBC error IM001. Default 0 (Disabled) GUI tab Advanced tab