text: CREATE TABLE shops (
   id int NOT NULL auto_increment,
   width int NOT NULL,
   height int NOT NULL,
   PRIMARY KEY (id)
  );
  
  
  CREATE TABLE robots (
   id int(11) NOT NULL auto_increment,
   sid int NOT NULL,
   x int NOT NULL,
   y int NOT NULL,
   heading VARCHAR(1) NOT NULL,
   commands VARCHAR(255) NOT NULL,
   PRIMARY KEY (id),
   FOREIGN KEY (sid) REFERENCES shops(id)
  );