--
DROP TABLE IF EXISTS `patronimage`;
-CREATE TABLE `patronimage` (
- `cardnumber` varchar(16) NOT NULL,
- `mimetype` varchar(15) NOT NULL,
- `imagefile` mediumblob NOT NULL,
+CREATE TABLE `patronimage` ( -- information related to patron images
+ `cardnumber` varchar(16) NOT NULL, -- the cardnumber of the patron this image is attached to (borrowers.cardnumber)
+ `mimetype` varchar(15) NOT NULL, -- the format of the image (png, jpg, etc)
+ `imagefile` mediumblob NOT NULL, -- the image
PRIMARY KEY (`cardnumber`),
CONSTRAINT `patronimage_fk1` FOREIGN KEY (`cardnumber`) REFERENCES `borrowers` (`cardnumber`) ON DELETE CASCADE ON UPDATE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=utf8;