quiz_app.sql

CREATE TABLE `options` (
  `option_id` int(11) NOT NULL,
  `question_id` int(11) NOT NULL,
  `option_a` varchar(255) NOT NULL,
  `option_b` varchar(255) NOT NULL,
  `option_c` varchar(255) NOT NULL,
  `option_correct` varchar(1) NOT NULL DEFAULT 'A'
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci;

CREATE TABLE `questions` (
  `question_id` int(11) NOT NULL,
  `quiz_id` int(11) NOT NULL,
  `question_title` varchar(30) NOT NULL,
  `question_text` varchar(255) NOT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci;

CREATE TABLE `quizes` (
  `quiz_id` int(11) NOT NULL,
  `quiz_title` varchar(30) NOT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci;

CREATE TABLE `stats` (
  `stat_id` int(11) NOT NULL,
  `user_id` int(11) NOT NULL,
  `quiz_id` int(11) NOT NULL,
  `stat_correct_answers` int(11) NOT NULL,
  `stat_num_answers` int(11) NOT NULL,
  `stat_time` timestamp NOT NULL DEFAULT current_timestamp()
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci;

CREATE TABLE `users` (
  `user_id` int(11) NOT NULL,
  `user_name` varchar(30) NOT NULL,
  `user_email` varchar(60) NOT NULL,
  `user_password` varchar(255) NOT NULL,
  `user_is_admin` int(1) NOT NULL DEFAULT 0
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci;

ALTER TABLE `options`
  ADD PRIMARY KEY (`option_id`);

ALTER TABLE `questions`
  ADD PRIMARY KEY (`question_id`);

ALTER TABLE `quizes`
  ADD PRIMARY KEY (`quiz_id`);

ALTER TABLE `stats`
  ADD PRIMARY KEY (`stat_id`);

ALTER TABLE `users`
  ADD PRIMARY KEY (`user_id`);

ALTER TABLE `options`
  MODIFY `option_id` int(11) NOT NULL AUTO_INCREMENT;

ALTER TABLE `questions`
  MODIFY `question_id` int(11) NOT NULL AUTO_INCREMENT;

ALTER TABLE `quizes`
  MODIFY `quiz_id` int(11) NOT NULL AUTO_INCREMENT;

ALTER TABLE `stats`
  MODIFY `stat_id` int(11) NOT NULL AUTO_INCREMENT;

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