Database for a Chemistry Quiz using cxsmiles as structures

Chemistry database

SET SQL_MODE="NO_AUTO_VALUE_ON_ZERO";
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 utf8 */;

--
-- ChemistryQuiz database
--

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

--
-- structure `category` table
--

CREATE TABLE IF NOT EXISTS `category` (
  `id` int(10) unsigned NOT NULL AUTO_INCREMENT,
  `unit_id` int(10) unsigned NOT NULL,
  `texto` varchar(255) COLLATE utf8_unicode_ci NOT NULL,
  PRIMARY KEY (`id`),
  KEY `unit_id` (`unit_id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci AUTO_INCREMENT=1 ;

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

--
-- structure `questionTxt` table
--

CREATE TABLE IF NOT EXISTS `questionTxt` (
  `id` int(10) unsigned NOT NULL AUTO_INCREMENT,
  `texto` text COLLATE utf8_unicode_ci NOT NULL,
  PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci AUTO_INCREMENT=1 ;

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

--
-- structure of `structure` table
--

CREATE TABLE IF NOT EXISTS `structure` (
  `id` int(10) unsigned NOT NULL AUTO_INCREMENT,
  `cxsmiles` varchar(255) COLLATE utf8_unicode_ci NOT NULL,
  `isAnswer` tinyint(4) NOT NULL,
  `isQuestion` tinyint(4) NOT NULL,
  PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci AUTO_INCREMENT=1 ;

--
-- structure `oneStructureQuestion` table
--

CREATE TABLE IF NOT EXISTS `oneStructureQuestion` (
  `id` int(10) unsigned NOT NULL AUTO_INCREMENT,
  `structure_id` int(10) unsigned NOT NULL,
  `questionTxt_id` int(10) unsigned NOT NULL,
  `question_id` int(10) unsigned NOT NULL,
  PRIMARY KEY (`id`),
  KEY `structure_id` (`structure_id`),
  KEY `questionTxt_id` (`questionTxt_id`),
  KEY `question_id` (`question_id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci AUTO_INCREMENT=1 ;

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

--
-- structure `questions` table
--

CREATE TABLE IF NOT EXISTS `questions` (
  `id` int(10) unsigned NOT NULL AUTO_INCREMENT,
  `QuestionType` varchar(255) COLLATE utf8_unicode_ci NOT NULL,
  `category_id` int(10) unsigned NOT NULL,
  `created_at` timestamp NOT NULL DEFAULT '0000-00-00 00:00:00',
  `updated_at` timestamp NOT NULL DEFAULT '0000-00-00 00:00:00',
  PRIMARY KEY (`id`),
  KEY `QuestionType` (`QuestionType`),
  KEY `category_id` (`category_id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci AUTO_INCREMENT=1 ;

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

--
-- structure `subunit` table
--

CREATE TABLE IF NOT EXISTS `subunit` (
  `id` int(10) unsigned NOT NULL AUTO_INCREMENT,
  `unit_id` int(10) unsigned NOT NULL,
  `texto` text COLLATE utf8_unicode_ci NOT NULL,
  PRIMARY KEY (`id`),
  KEY `unit_id` (`unit_id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci AUTO_INCREMENT=1 ;

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

--
-- structure `QuestionType` table
--

CREATE TABLE IF NOT EXISTS `QuestionType` (
  `QuestionType` varchar(255) COLLATE utf8_unicode_ci NOT NULL,
  PRIMARY KEY (`QuestionType`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci;

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

--
-- structure `unit` table
--

CREATE TABLE IF NOT EXISTS `unit` (
  `id` int(10) unsigned NOT NULL AUTO_INCREMENT,
  `texto` text COLLATE utf8_unicode_ci NOT NULL,
  PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci AUTO_INCREMENT=1 ;

--
-- Restrictions
--

--
-- Filters `category` table
--
ALTER TABLE `category`
  ADD CONSTRAINT `category_ibfk_1` FOREIGN KEY (`unit_id`) REFERENCES `unit` (`id`) ON DELETE CASCADE ON UPDATE CASCADE;

--
-- Filters `oneStructureQuestion` table
--
ALTER TABLE `oneStructureQuestion`
  ADD CONSTRAINT `oneStructureQuestion_ibfk_3` FOREIGN KEY (`structure_id`) REFERENCES `structure` (`id`) ON DELETE CASCADE ON UPDATE CASCADE,
  ADD CONSTRAINT `oneStructureQuestion_ibfk_4` FOREIGN KEY (`questionTxt_id`) REFERENCES `questionTxt` (`id`) ON DELETE CASCADE ON UPDATE CASCADE,
  ADD CONSTRAINT `oneStructureQuestion_ibfk_5` FOREIGN KEY (`question_id`) REFERENCES `questions` (`id`) ON DELETE CASCADE ON UPDATE CASCADE;

--
-- Filters `questions` table
--
ALTER TABLE `questions`
  ADD CONSTRAINT `questions_ibfk_2` FOREIGN KEY (`category_id`) REFERENCES `category` (`id`) ON DELETE CASCADE ON UPDATE CASCADE,
  ADD CONSTRAINT `questions_ibfk_1` FOREIGN KEY (`QuestionType`) REFERENCES `QuestionType` (`QuestionType`) ON DELETE CASCADE ON UPDATE CASCADE;

--
-- Filters `subunit` table
--
ALTER TABLE `subunit`
  ADD CONSTRAINT `subunit_ibfk_1` FOREIGN KEY (`unit_id`) REFERENCES `unit` (`id`) ON DELETE CASCADE ON UPDATE CASCADE;

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