Quiz System–Database Schema Design

MySQL DBMS

MySQL Database Schema design for quiz system.

Schema Diagram:

quiz

MySQL Create Script:

— phpMyAdmin SQL Dump
— version 3.2.0.1
http://www.phpmyadmin.net

— Host: localhost
— Generation Time: Apr 01, 2013 at 08:27 PM
— Server version: 5.1.37
— PHP Version: 5.3.0

SET SQL_MODE=”NO_AUTO_VALUE_ON_ZERO”;
/*!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 utf8 */;


— Database: `quiz`

— ——————————————————–


— Table structure for table `category`

CREATE TABLE IF NOT EXISTS `category` (
`id` int(11) NOT NULL AUTO_INCREMENT,
`name` varchar(255) CHARACTER SET utf8 NOT NULL,
`slug` varchar(255) NOT NULL,
PRIMARY KEY (`id`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 AUTO_INCREMENT=1 ;


— Dumping data for table `category`

— ——————————————————–


— Table structure for table `level`

CREATE TABLE IF NOT EXISTS `level` (
`id` int(11) NOT NULL AUTO_INCREMENT,
`name` varchar(255) NOT NULL,
`slug` varchar(255) NOT NULL,
PRIMARY KEY (`id`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 AUTO_INCREMENT=1 ;


— Dumping data for table `level`

— ——————————————————–


— Table structure for table `questions`

CREATE TABLE IF NOT EXISTS `questions` (
`id` int(11) NOT NULL AUTO_INCREMENT,
`question` text CHARACTER SET utf8 NOT NULL,
`option1` varchar(255) NOT NULL,
`option2` varchar(255) NOT NULL,
`option3` varchar(255) NOT NULL,
`option4` varchar(255) NOT NULL,
`answer` varchar(255) NOT NULL,
`category_id` int(11) NOT NULL,
`level_id` int(11) NOT NULL,
`image` varchar(255) DEFAULT NULL,
`status` int(11) NOT NULL DEFAULT ‘0’,
PRIMARY KEY (`id`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 AUTO_INCREMENT=1 ;


— Dumping data for table `questions`

— ——————————————————–


— Table structure for table `score`

CREATE TABLE IF NOT EXISTS `score` (
`id` int(11) NOT NULL AUTO_INCREMENT,
`user_id` int(11) NOT NULL,
`question_id` int(11) NOT NULL,
`category_id` int(11) NOT NULL,
`level_id` int(11) NOT NULL,
`user_answer` varchar(255) NOT NULL,
`is_correct` int(11) NOT NULL,
`points` int(11) NOT NULL,
PRIMARY KEY (`id`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 AUTO_INCREMENT=1 ;


— Dumping data for table `score`

— ——————————————————–


— Table structure for table `settings`

CREATE TABLE IF NOT EXISTS `settings` (
`points_per_question` int(11) NOT NULL,
`site_name` varchar(255) NOT NULL,
`site_slogan` varchar(255) NOT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1;


— Dumping data for table `settings`

— ——————————————————–


— Table structure for table `users`

CREATE TABLE IF NOT EXISTS `users` (
`id` int(11) NOT NULL AUTO_INCREMENT,
`username` varchar(255) NOT NULL,
`password` varchar(255) NOT NULL,
`email` varchar(255) NOT NULL,
`created_at` int(11) NOT NULL,
`image` varchar(255) DEFAULT NULL,
`about` text CHARACTER SET utf8,
PRIMARY KEY (`id`)
) ENGINE=MyISAM  DEFAULT CHARSET=latin1 AUTO_INCREMENT=73 ;


— Dumping data for table `users`

/*!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 */;

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