- `barcode` varchar(20) NOT NULL,
- `cardnumber` varchar(16) DEFAULT NULL,
- PRIMARY KEY (`operationid`)
-) ENGINE=MyISAM DEFAULT CHARSET=utf8;
-
+ barcode varchar(20) DEFAULT NULL,
+ cardnumber varchar(16) DEFAULT NULL,
+ amount decimal(28,6) DEFAULT NULL,
+ PRIMARY KEY (operationid)
+) ENGINE=MyISAM DEFAULT CHARSET=utf8;