Made ids be auto incrementing

Database/project_db.sql

@@ -83,11 +83,11 @@ CREATE TABLE `order_item` (
 --
 
 INSERT INTO `order_item` (`quantity`, `subtotal`, `product_id`, `order_id`) VALUES
-(2, 2400, 1, 1),
 (1, 800, 2, 1),
 (3, 450, 3, 2),
 (1, 300, 4, 3),
-(2, 400, 5, 4);
+(2, 400, 5, 4),
+(2, 2400, 1, 5);
 
 -- --------------------------------------------------------
 
@@ -228,7 +228,8 @@ INSERT INTO `user_order` (`order_id`, `order_date`, `total_amount`, `status`, `u
 (1, '2024-04-08 00:00:00', 3200, 'Pending', 1),
 (2, '2024-04-09 00:00:00', 450, 'Shipped', 2),
 (3, '2024-04-09 00:00:00', 300, 'Delivered', 3),
-(4, '2024-04-10 00:00:00', 400, 'Pending', 4);
+(4, '2024-04-10 00:00:00', 400, 'Pending', 4),
+(5, '2024-04-11 00:00:00', 200, 'Pending', 1);
 
 --
 -- Indexes for dumped tables
@@ -238,12 +239,14 @@ INSERT INTO `user_order` (`order_id`, `order_date`, `total_amount`, `status`, `u
 -- Indexes for table `brand`
 --
 ALTER TABLE `brand`
+  MODIFY `brand_id` int(11) NOT NULL AUTO_INCREMENT,
   ADD PRIMARY KEY (`brand_id`);
 
 --
 -- Indexes for table `category`
 --
 ALTER TABLE `category`
+  MODIFY `category_id` int(11) NOT NULL AUTO_INCREMENT,
   ADD PRIMARY KEY (`category_id`);
 
 --
@@ -263,6 +266,7 @@ ALTER TABLE `payment`
 -- Indexes for table `product`
 --
 ALTER TABLE `product`
+  MODIFY `product_id` int(11) NOT NULL AUTO_INCREMENT,
   ADD PRIMARY KEY (`product_id`),
   ADD KEY `category_id` (`category_id`),
   ADD KEY `brand_id` (`brand_id`);
@@ -292,6 +296,7 @@ ALTER TABLE `user_details`
 -- Indexes for table `user_order`
 --
 ALTER TABLE `user_order`
+  MODIFY `order_id` int(11) NOT NULL AUTO_INCREMENT,
   ADD PRIMARY KEY (`order_id`),
   ADD KEY `user_id` (`user_id`);