bloodbankdatabasestructure.sql

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SET SQL_MODE = "NO_AUTO_VALUE_ON_ZERO";
START TRANSACTION;
SET time_zone = "+00:00";


/*!40101 SET @OLD_CHARACTER_SET_CLIENT=@@CHARACTER_SET_CLIENT */;
/*!40101 SET @OLD_CHARACTER_SET_RESULTS=@@CHARACTER_SET_RESULTS */;
/*!40101 SET @OLD_COLLATION_CONNECTION=@@COLLATION_CONNECTION */;
/*!40101 SET NAMES utf8mb4 */;

--
-- Database: `bloodbank`
--

-- --------------------------------------------------------

--
-- Table structure for table `bloodsamples`
--

CREATE TABLE `bloodsamples` (
  `sample_id` int(11) NOT NULL,
  `hospital_id` int(11) NOT NULL,
  `blood_type` enum('A+','B+','AB+','O+','O-','A-','B-','AB-') NOT NULL,
  `quantity` int(11) NOT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci;

-- --------------------------------------------------------

--
-- Table structure for table `hospitals`
--

CREATE TABLE `hospitals` (
  `hospital_id` int(11) NOT NULL,
  `user_id` int(11) NOT NULL,
  `hospital_name` varchar(100) NOT NULL,
  `address` varchar(255) NOT NULL,
  `contact_number` varchar(20) NOT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci;

-- --------------------------------------------------------

--
-- Table structure for table `receivers`
--

CREATE TABLE `receivers` (
  `receiver_id` int(11) NOT NULL,
  `user_id` int(11) NOT NULL,
  `blood_group` varchar(5) NOT NULL,
  `fullname` varchar(100) NOT NULL,
  `address` varchar(255) NOT NULL,
  `contact_number` varchar(20) NOT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci;

-- --------------------------------------------------------

--
-- Table structure for table `requests`
--

CREATE TABLE `requests` (
  `request_id` int(11) NOT NULL,
  `receiver_id` int(11) NOT NULL,
  `sample_id` int(11) NOT NULL,
  `quantity` int(11) NOT NULL,
  `blood_type` enum('A+','B+','AB+','O+','O-','AB-','B-','A-') NOT NULL,
  `status` enum('pending','approved','rejected') NOT NULL,
  `message` text NOT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci;

-- --------------------------------------------------------

--
-- Table structure for table `users`
--

CREATE TABLE `users` (
  `user_id` int(11) NOT NULL,
  `username` varchar(50) NOT NULL,
  `email` varchar(50) NOT NULL,
  `password` text NOT NULL,
  `role` enum('receiver','hospital') NOT NULL,
  `created_at` timestamp NOT NULL DEFAULT current_timestamp()
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci;

--
-- Indexes for dumped tables
--

--
-- Indexes for table `bloodsamples`
--
ALTER TABLE `bloodsamples`
  ADD PRIMARY KEY (`sample_id`),
  ADD KEY `hospital_id` (`hospital_id`);

--
-- Indexes for table `hospitals`
--
ALTER TABLE `hospitals`
  ADD PRIMARY KEY (`hospital_id`),
  ADD KEY `user_id` (`user_id`);

--
-- Indexes for table `receivers`
--
ALTER TABLE `receivers`
  ADD PRIMARY KEY (`receiver_id`),
  ADD KEY `user_id` (`user_id`);

--
-- Indexes for table `requests`
--
ALTER TABLE `requests`
  ADD PRIMARY KEY (`request_id`),
  ADD KEY `receiver_id` (`receiver_id`),
  ADD KEY `sample_id` (`sample_id`);

--
-- Indexes for table `users`
--
ALTER TABLE `users`
  ADD PRIMARY KEY (`user_id`),
  ADD UNIQUE KEY `username` (`username`),
  ADD UNIQUE KEY `email` (`email`);

--
-- AUTO_INCREMENT for dumped tables
--

--
-- AUTO_INCREMENT for table `bloodsamples`
--
ALTER TABLE `bloodsamples`
  MODIFY `sample_id` int(11) NOT NULL AUTO_INCREMENT;

--
-- AUTO_INCREMENT for table `hospitals`
--
ALTER TABLE `hospitals`
  MODIFY `hospital_id` int(11) NOT NULL AUTO_INCREMENT;

--
-- AUTO_INCREMENT for table `receivers`
--
ALTER TABLE `receivers`
  MODIFY `receiver_id` int(11) NOT NULL AUTO_INCREMENT;

--
-- AUTO_INCREMENT for table `requests`
--
ALTER TABLE `requests`
  MODIFY `request_id` int(11) NOT NULL AUTO_INCREMENT;

--
-- AUTO_INCREMENT for table `users`
--
ALTER TABLE `users`
  MODIFY `user_id` int(11) NOT NULL AUTO_INCREMENT;

--
-- Constraints for dumped tables
--

--
-- Constraints for table `bloodsamples`
--
ALTER TABLE `bloodsamples`
  ADD CONSTRAINT `bloodsamples_ibfk_1` FOREIGN KEY (`hospital_id`) REFERENCES `hospitals` (`hospital_id`);

--
-- Constraints for table `hospitals`
--
ALTER TABLE `hospitals`
  ADD CONSTRAINT `hospitals_ibfk_1` FOREIGN KEY (`user_id`) REFERENCES `users` (`user_id`);

--
-- Constraints for table `receivers`
--
ALTER TABLE `receivers`
  ADD CONSTRAINT `receivers_ibfk_1` FOREIGN KEY (`user_id`) REFERENCES `users` (`user_id`);

--
-- Constraints for table `requests`
--
ALTER TABLE `requests`
  ADD CONSTRAINT `requests_ibfk_1` FOREIGN KEY (`receiver_id`) REFERENCES `receivers` (`receiver_id`),
  ADD CONSTRAINT `requests_ibfk_2` FOREIGN KEY (`sample_id`) REFERENCES `bloodsamples` (`sample_id`);
COMMIT;

/*!40101 SET CHARACTER_SET_CLIENT=@OLD_CHARACTER_SET_CLIENT */;
/*!40101 SET CHARACTER_SET_RESULTS=@OLD_CHARACTER_SET_RESULTS */;
/*!40101 SET COLLATION_CONNECTION=@OLD_COLLATION_CONNECTION */;