text: -- Fill table "roles";
  INSERT INTO roles(role_name) 
      VALUES('administrator'),('user'),('quest');
  
  -- Fill table "rules";
  INSERT INTO rules(rule_name, rule_description) 
      VALUES('delete', 'delete item'),
            ('update', 'update item'),
            ('create', NULL);
  
  -- Fill addition table "rolesrules";
  INSERT INTO rolesrules(id_role, id_rule) 
      VALUES(1, 1), 
            (1, 2), 
            (1, 3), 
            (2, 2), 
            (2, 3);
            
  -- Fill table "users";          
  INSERT INTO users(user_name, user_login, user_password, id_role) 
      VALUES('Artem', 'admin', MD5('Qa123456'), 1),
            (NULL, 'user', MD5('qwerty'), 2),
            (NULL, 'quest', MD5('123456'), 3);
  
  -- Fill table "statuses";  
  INSERT INTO statuses(status_name)
      VALUES('open'),
            ('wait'),
            ('complete');
            
  -- Fill table "categories";  
  INSERT INTO categories(category_name)
      VALUES('general');  
  
  -- Fill table "items";
  INSERT INTO items(id_item, item_name, item_description, id_status, id_category)
      VALUES(1, 'Item first', 'test item', 1, 1),
            (2, 'Item second', 'test item', 2, 1),
            (3, 'Item three', 'test item', 3, 1);
  
  -- Fill table "itemcomments";
  INSERT INTO itemcomments(comment_text, id_item)
      VALUES('Comment first', 1),
            ('Comment second', 1);
  
  -- Fill table "attachedfiles";
  INSERT INTO attachedfiles(file_path, id_item)
      VALUES('\\example01.png', 1),
            ('\\example02.png', 2);
  