mod/quiz/db/install.xml

   1 <?xml version="1.0" encoding="UTF-8" ?>
   2 <XMLDB PATH="mod/quiz/db" VERSION="20070522" COMMENT="XMLDB file for Moodle mod/quiz"
   3     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
   4     xsi:noNamespaceSchemaLocation="../../../lib/xmldb/xmldb.xsd"
   5 >
   6   <TABLES>
   7     <TABLE NAME="question_categories" COMMENT="Categories are for grouping questions" NEXT="question">
   8       <FIELDS>
   9         <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="name"/>
  10         <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="contextid"/>
  11         <FIELD NAME="contextid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="context that this category is shared in" PREVIOUS="name" NEXT="info"/>
  12         <FIELD NAME="info" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="contextid" NEXT="stamp"/>
  13         <FIELD NAME="stamp" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="info" NEXT="parent"/>
  14         <FIELD NAME="parent" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="stamp" NEXT="sortorder"/>
  15         <FIELD NAME="sortorder" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="999" SEQUENCE="false" ENUM="false" PREVIOUS="parent"/>
  16       </FIELDS>
  17       <KEYS>
  18         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="parent"/>
  19         <KEY NAME="parent" TYPE="foreign" FIELDS="parent" REFTABLE="question_categories" REFFIELDS="id" COMMENT="note that to make this recursive FK working someday, the parent field must be declared NULL" PREVIOUS="primary"/>
  20       </KEYS>
  21       <INDEXES>
  22         <INDEX NAME="contextid" UNIQUE="false" FIELDS="contextid" COMMENT="links to context table"/>
  23       </INDEXES>
  24     </TABLE>
  25     <TABLE NAME="question" COMMENT="The questions themselves" PREVIOUS="question_categories" NEXT="question_answers">
  26       <FIELDS>
  27         <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="category"/>
  28         <FIELD NAME="category" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="parent"/>
  29         <FIELD NAME="parent" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="category" NEXT="name"/>
  30         <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="parent" NEXT="questiontext"/>
  31         <FIELD NAME="questiontext" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="name" NEXT="questiontextformat"/>
  32         <FIELD NAME="questiontextformat" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="questiontext" NEXT="image"/>
  33         <FIELD NAME="image" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="questiontextformat" NEXT="generalfeedback"/>
  34         <FIELD NAME="generalfeedback" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" COMMENT="to store the question feedback" PREVIOUS="image" NEXT="defaultgrade"/>
  35         <FIELD NAME="defaultgrade" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" ENUM="false" PREVIOUS="generalfeedback" NEXT="penalty"/>
  36         <FIELD NAME="penalty" TYPE="float" NOTNULL="true" UNSIGNED="false" DEFAULT="0.1" SEQUENCE="false" ENUM="false" PREVIOUS="defaultgrade" NEXT="qtype"/>
  37         <FIELD NAME="qtype" TYPE="char" LENGTH="20" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="penalty" NEXT="length"/>
  38         <FIELD NAME="length" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" ENUM="false" PREVIOUS="qtype" NEXT="stamp"/>
  39         <FIELD NAME="stamp" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="length" NEXT="version"/>
  40         <FIELD NAME="version" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="stamp" NEXT="hidden"/>
  41         <FIELD NAME="hidden" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="version" NEXT="timecreated"/>
  42         <FIELD NAME="timecreated" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="time question was created" PREVIOUS="hidden" NEXT="timemodified"/>
  43         <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="time that question was last modified" PREVIOUS="timecreated" NEXT="createdby"/>
  44         <FIELD NAME="createdby" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="userid of person who created this question" PREVIOUS="timemodified" NEXT="modifiedby"/>
  45         <FIELD NAME="modifiedby" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="userid of person who last edited this question" PREVIOUS="createdby"/>
  46       </FIELDS>
  47       <KEYS>
  48         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="category"/>
  49         <KEY NAME="category" TYPE="foreign" FIELDS="category" REFTABLE="question_categories" REFFIELDS="id" PREVIOUS="primary" NEXT="parent"/>
  50         <KEY NAME="parent" TYPE="foreign" FIELDS="parent" REFTABLE="question" REFFIELDS="id" COMMENT="note that to make this recursive FK working someday, the parent field must be declared NULL" PREVIOUS="category" NEXT="createdby"/>
  51         <KEY NAME="createdby" TYPE="foreign" FIELDS="createdby" REFTABLE="user" REFFIELDS="id" COMMENT="foreign (createdby) references user (id)" PREVIOUS="parent" NEXT="modifiedby"/>
  52         <KEY NAME="modifiedby" TYPE="foreign" FIELDS="modifiedby" REFTABLE="user" REFFIELDS="id" COMMENT="foreign (modifiedby) references user (id)" PREVIOUS="createdby"/>
  53       </KEYS>
  54     </TABLE>
  55     <TABLE NAME="question_answers" COMMENT="Answers, with a fractional grade (0-1) and feedback" PREVIOUS="question" NEXT="question_dataset_definitions">
  56       <FIELDS>
  57         <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="question"/>
  58         <FIELD NAME="question" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="answer"/>
  59         <FIELD NAME="answer" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="question" NEXT="fraction"/>
  60         <FIELD NAME="fraction" TYPE="float" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="answer" NEXT="feedback"/>
  61         <FIELD NAME="feedback" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="fraction"/>
  62       </FIELDS>
  63       <KEYS>
  64         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="question"/>
  65         <KEY NAME="question" TYPE="foreign" FIELDS="question" REFTABLE="question" REFFIELDS="id" PREVIOUS="primary"/>
  66       </KEYS>
  67     </TABLE>
  68     <TABLE NAME="question_dataset_definitions" COMMENT="Organises and stores properties for dataset items" PREVIOUS="question_answers" NEXT="question_dataset_items">
  69       <FIELDS>
  70         <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="category"/>
  71         <FIELD NAME="category" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="name"/>
  72         <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="category" NEXT="type"/>
  73         <FIELD NAME="type" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="name" NEXT="options"/>
  74         <FIELD NAME="options" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="type" NEXT="itemcount"/>
  75         <FIELD NAME="itemcount" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="options"/>
  76       </FIELDS>
  77       <KEYS>
  78         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="category"/>
  79         <KEY NAME="category" TYPE="foreign" FIELDS="category" REFTABLE="question_categories" REFFIELDS="id" PREVIOUS="primary"/>
  80       </KEYS>
  81     </TABLE>
  82     <TABLE NAME="question_dataset_items" COMMENT="Individual dataset items" PREVIOUS="question_dataset_definitions" NEXT="question_datasets">
  83       <FIELDS>
  84         <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="definition"/>
  85         <FIELD NAME="definition" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="itemnumber"/>
  86         <FIELD NAME="itemnumber" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="definition" NEXT="value"/>
  87         <FIELD NAME="value" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="itemnumber"/>
  88       </FIELDS>
  89       <KEYS>
  90         <KEY NAME="primary" TYPE="primary" FIELDS="id" />
  91       </KEYS>
  92       <INDEXES>
  93         <INDEX NAME="definition" UNIQUE="false" FIELDS="definition"/>
  94       </INDEXES>
  95     </TABLE>
  96     <TABLE NAME="question_datasets" COMMENT="Many-many relation between questions and dataset definitions" PREVIOUS="question_dataset_items" NEXT="question_numerical_units">
  97       <FIELDS>
  98         <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="question"/>
  99         <FIELD NAME="question" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="datasetdefinition"/>
 100         <FIELD NAME="datasetdefinition" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="question"/>
 101       </FIELDS>
 102       <KEYS>
 103         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="question"/>
 104         <KEY NAME="question" TYPE="foreign" FIELDS="question" REFTABLE="question" REFFIELDS="id" PREVIOUS="primary" NEXT="datasetdefinition"/>
 105         <KEY NAME="datasetdefinition" TYPE="foreign" FIELDS="datasetdefinition" REFTABLE="question_dataset_definitions" REFFIELDS="id" PREVIOUS="question"/>
 106       </KEYS>
 107       <INDEXES>
 108         <INDEX NAME="question-datasetdefinition" UNIQUE="false" FIELDS="question, datasetdefinition"/>
 109       </INDEXES>
 110     </TABLE>
 111     <TABLE NAME="question_numerical_units" COMMENT="Optional unit options for numerical questions" PREVIOUS="question_datasets" NEXT="question_attempts">
 112       <FIELDS>
 113         <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="question"/>
 114         <FIELD NAME="question" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="multiplier"/>
 115         <FIELD NAME="multiplier" TYPE="number" LENGTH="40" NOTNULL="true" UNSIGNED="false" DEFAULT="1.00000000000000000000" SEQUENCE="false" ENUM="false" DECIMALS="20" PREVIOUS="question" NEXT="unit"/>
 116         <FIELD NAME="unit" TYPE="char" LENGTH="50" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="multiplier"/>
 117       </FIELDS>
 118       <KEYS>
 119         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="question"/>
 120         <KEY NAME="question" TYPE="foreign" FIELDS="question" REFTABLE="question" REFFIELDS="id" PREVIOUS="primary"/>
 121       </KEYS>
 122       <INDEXES>
 123         <INDEX NAME="question-unit" UNIQUE="true" FIELDS="question, unit" COMMENT="Unique index to ensure that only one unit with a particular name is created for each question."/>
 124       </INDEXES>
 125     </TABLE>
 126     <TABLE NAME="question_attempts" COMMENT="Student attempts. This table gets extended by the modules" PREVIOUS="question_numerical_units" NEXT="question_states">
 127       <FIELDS>
 128         <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="modulename"/>
 129         <FIELD NAME="modulename" TYPE="char" LENGTH="20" NOTNULL="true" DEFAULT="quiz" SEQUENCE="false" ENUM="false" PREVIOUS="id"/>
 130       </FIELDS>
 131       <KEYS>
 132         <KEY NAME="primary" TYPE="primary" FIELDS="id" />
 133       </KEYS>
 134     </TABLE>
 135     <TABLE NAME="question_states" COMMENT="Stores user responses to an attempt, and percentage grades" PREVIOUS="question_attempts" NEXT="question_sessions">
 136       <FIELDS>
 137         <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="attempt"/>
 138         <FIELD NAME="attempt" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="question"/>
 139         <FIELD NAME="question" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="attempt" NEXT="originalquestion"/>
 140         <FIELD NAME="originalquestion" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="question" NEXT="seq_number"/>
 141         <FIELD NAME="seq_number" TYPE="int" LENGTH="6" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="originalquestion" NEXT="answer"/>
 142         <FIELD NAME="answer" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="seq_number" NEXT="timestamp"/>
 143         <FIELD NAME="timestamp" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="answer" NEXT="event"/>
 144         <FIELD NAME="event" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="timestamp" NEXT="grade"/>
 145         <FIELD NAME="grade" TYPE="float" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="event" NEXT="raw_grade"/>
 146         <FIELD NAME="raw_grade" TYPE="float" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="grade" NEXT="penalty"/>
 147         <FIELD NAME="penalty" TYPE="float" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="raw_grade"/>
 148       </FIELDS>
 149       <KEYS>
 150         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="attempt"/>
 151         <KEY NAME="attempt" TYPE="foreign" FIELDS="attempt" REFTABLE="question_attempts" REFFIELDS="id" PREVIOUS="primary" NEXT="question"/>
 152         <KEY NAME="question" TYPE="foreign" FIELDS="question" REFTABLE="question" REFFIELDS="id" PREVIOUS="attempt"/>
 153       </KEYS>
 154     </TABLE>
 155     <TABLE NAME="question_sessions" COMMENT="Gives ids of the newest open and newest graded states" PREVIOUS="question_states" NEXT="quiz">
 156       <FIELDS>
 157         <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="attemptid"/>
 158         <FIELD NAME="attemptid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="questionid"/>
 159         <FIELD NAME="questionid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="attemptid" NEXT="newest"/>
 160         <FIELD NAME="newest" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="questionid" NEXT="newgraded"/>
 161         <FIELD NAME="newgraded" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="newest" NEXT="sumpenalty"/>
 162         <FIELD NAME="sumpenalty" TYPE="float" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="newgraded" NEXT="manualcomment"/>
 163         <FIELD NAME="manualcomment" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="sumpenalty"/>
 164       </FIELDS>
 165       <KEYS>
 166         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="attemptid"/>
 167         <KEY NAME="attemptid" TYPE="foreign" FIELDS="attemptid" REFTABLE="question_attempts" REFFIELDS="id" PREVIOUS="primary" NEXT="questionid"/>
 168         <KEY NAME="questionid" TYPE="foreign" FIELDS="questionid" REFTABLE="question" REFFIELDS="id" PREVIOUS="attemptid" NEXT="newest"/>
 169         <KEY NAME="newest" TYPE="foreign" FIELDS="newest" REFTABLE="question_states" REFFIELDS="id" PREVIOUS="questionid" NEXT="newgraded"/>
 170         <KEY NAME="newgraded" TYPE="foreign" FIELDS="newgraded" REFTABLE="question_states" REFFIELDS="id" PREVIOUS="newest"/>
 171       </KEYS>
 172       <INDEXES>
 173         <INDEX NAME="attemptid-questionid" UNIQUE="true" FIELDS="attemptid, questionid"/>
 174       </INDEXES>
 175     </TABLE>
 176     <TABLE NAME="quiz" COMMENT="Main information about each quiz" PREVIOUS="question_sessions" NEXT="quiz_attempts">
 177       <FIELDS>
 178         <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="course"/>
 179         <FIELD NAME="course" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="name"/>
 180         <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="course" NEXT="intro"/>
 181         <FIELD NAME="intro" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="name" NEXT="timeopen"/>
 182         <FIELD NAME="timeopen" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="intro" NEXT="timeclose"/>
 183         <FIELD NAME="timeclose" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="timeopen" NEXT="optionflags"/>
 184         <FIELD NAME="optionflags" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="timeclose" NEXT="penaltyscheme"/>
 185         <FIELD NAME="penaltyscheme" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="optionflags" NEXT="attempts"/>
 186         <FIELD NAME="attempts" TYPE="int" LENGTH="6" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="penaltyscheme" NEXT="attemptonlast"/>
 187         <FIELD NAME="attemptonlast" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="attempts" NEXT="grademethod"/>
 188         <FIELD NAME="grademethod" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="false" DEFAULT="1" SEQUENCE="false" ENUM="false" PREVIOUS="attemptonlast" NEXT="decimalpoints"/>
 189         <FIELD NAME="decimalpoints" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="false" DEFAULT="2" SEQUENCE="false" ENUM="false" PREVIOUS="grademethod" NEXT="review"/>
 190         <FIELD NAME="review" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="decimalpoints" NEXT="questionsperpage"/>
 191         <FIELD NAME="questionsperpage" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="review" NEXT="shufflequestions"/>
 192         <FIELD NAME="shufflequestions" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="questionsperpage" NEXT="shuffleanswers"/>
 193         <FIELD NAME="shuffleanswers" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="shufflequestions" NEXT="questions"/>
 194         <FIELD NAME="questions" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="shuffleanswers" NEXT="sumgrades"/>
 195         <FIELD NAME="sumgrades" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="questions" NEXT="grade"/>
 196         <FIELD NAME="grade" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="sumgrades" NEXT="timecreated"/>
 197         <FIELD NAME="timecreated" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="grade" NEXT="timemodified"/>
 198         <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="timecreated" NEXT="timelimit"/>
 199         <FIELD NAME="timelimit" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="timemodified" NEXT="password"/>
 200         <FIELD NAME="password" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="timelimit" NEXT="subnet"/>
 201         <FIELD NAME="subnet" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="password" NEXT="popup"/>
 202         <FIELD NAME="popup" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="subnet" NEXT="delay1"/>
 203         <FIELD NAME="delay1" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="popup" NEXT="delay2"/>
 204         <FIELD NAME="delay2" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="delay1"/>
 205       </FIELDS>
 206       <KEYS>
 207         <KEY NAME="primary" TYPE="primary" FIELDS="id" />
 208       </KEYS>
 209       <INDEXES>
 210         <INDEX NAME="course" UNIQUE="false" FIELDS="course"/>
 211       </INDEXES>
 212     </TABLE>
 213     <TABLE NAME="quiz_attempts" COMMENT="Stores various attempts on a quiz" PREVIOUS="quiz" NEXT="quiz_grades">
 214       <FIELDS>
 215         <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="uniqueid"/>
 216         <FIELD NAME="uniqueid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="quiz"/>
 217         <FIELD NAME="quiz" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="uniqueid" NEXT="userid"/>
 218         <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="quiz" NEXT="attempt"/>
 219         <FIELD NAME="attempt" TYPE="int" LENGTH="6" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="userid" NEXT="sumgrades"/>
 220         <FIELD NAME="sumgrades" TYPE="float" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="attempt" NEXT="timestart"/>
 221         <FIELD NAME="timestart" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="sumgrades" NEXT="timefinish"/>
 222         <FIELD NAME="timefinish" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="timestart" NEXT="timemodified"/>
 223         <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="timefinish" NEXT="layout"/>
 224         <FIELD NAME="layout" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="timemodified" NEXT="preview"/>
 225         <FIELD NAME="preview" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="layout"/>
 226       </FIELDS>
 227       <KEYS>
 228         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="uniqueid"/>
 229         <KEY NAME="uniqueid" TYPE="foreign-unique" FIELDS="uniqueid" REFTABLE="question_attempts" REFFIELDS="id" PREVIOUS="primary" NEXT="quiz"/>
 230         <KEY NAME="quiz" TYPE="foreign" FIELDS="quiz" REFTABLE="quiz" REFFIELDS="id" PREVIOUS="uniqueid"/>
 231       </KEYS>
 232       <INDEXES>
 233         <INDEX NAME="userid" UNIQUE="false" FIELDS="userid"/>
 234       </INDEXES>
 235     </TABLE>
 236     <TABLE NAME="quiz_grades" COMMENT="Final quiz grade (may be best of several attempts)" PREVIOUS="quiz_attempts" NEXT="quiz_question_instances">
 237       <FIELDS>
 238         <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="quiz"/>
 239         <FIELD NAME="quiz" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="userid"/>
 240         <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="quiz" NEXT="grade"/>
 241         <FIELD NAME="grade" TYPE="float" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="userid" NEXT="timemodified"/>
 242         <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="grade"/>
 243       </FIELDS>
 244       <KEYS>
 245         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="quiz"/>
 246         <KEY NAME="quiz" TYPE="foreign" FIELDS="quiz" REFTABLE="quiz" REFFIELDS="id" PREVIOUS="primary"/>
 247       </KEYS>
 248       <INDEXES>
 249         <INDEX NAME="userid" UNIQUE="false" FIELDS="userid"/>
 250       </INDEXES>
 251     </TABLE>
 252     <TABLE NAME="quiz_question_instances" COMMENT="The grade for a question in a quiz" PREVIOUS="quiz_grades" NEXT="quiz_question_versions">
 253       <FIELDS>
 254         <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="quiz"/>
 255         <FIELD NAME="quiz" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="question"/>
 256         <FIELD NAME="question" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="quiz" NEXT="grade"/>
 257         <FIELD NAME="grade" TYPE="int" LENGTH="6" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="question"/>
 258       </FIELDS>
 259       <KEYS>
 260         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="quiz"/>
 261         <KEY NAME="quiz" TYPE="foreign" FIELDS="quiz" REFTABLE="quiz" REFFIELDS="id" PREVIOUS="primary" NEXT="question"/>
 262         <KEY NAME="question" TYPE="foreign" FIELDS="question" REFTABLE="question" REFFIELDS="id" PREVIOUS="quiz"/>
 263       </KEYS>
 264     </TABLE>
 265     <TABLE NAME="quiz_question_versions" COMMENT="quiz_question_versions table retrofitted from MySQL" PREVIOUS="quiz_question_instances" NEXT="quiz_feedback">
 266       <FIELDS>
 267         <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="quiz"/>
 268         <FIELD NAME="quiz" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="oldquestion"/>
 269         <FIELD NAME="oldquestion" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="quiz" NEXT="newquestion"/>
 270         <FIELD NAME="newquestion" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="oldquestion" NEXT="originalquestion"/>
 271         <FIELD NAME="originalquestion" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="newquestion" NEXT="userid"/>
 272         <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="originalquestion" NEXT="timestamp"/>
 273         <FIELD NAME="timestamp" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="userid"/>
 274       </FIELDS>
 275       <KEYS>
 276         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="quiz"/>
 277         <KEY NAME="quiz" TYPE="foreign" FIELDS="quiz" REFTABLE="quiz" REFFIELDS="id" PREVIOUS="primary" NEXT="oldquestion"/>
 278         <KEY NAME="oldquestion" TYPE="foreign" FIELDS="oldquestion" REFTABLE="question" REFFIELDS="id" PREVIOUS="quiz" NEXT="newquestion"/>
 279         <KEY NAME="newquestion" TYPE="foreign" FIELDS="newquestion" REFTABLE="question" REFFIELDS="id" PREVIOUS="oldquestion" NEXT="originalquestion"/>
 280         <KEY NAME="originalquestion" TYPE="foreign" FIELDS="originalquestion" REFTABLE="question" REFFIELDS="id" PREVIOUS="newquestion"/>
 281       </KEYS>
 282     </TABLE>
 283     <TABLE NAME="quiz_feedback" COMMENT="Feedback given to students based on their overall score on the test" PREVIOUS="quiz_question_versions">
 284       <FIELDS>
 285         <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="quizid"/>
 286         <FIELD NAME="quizid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="feedbacktext"/>
 287         <FIELD NAME="feedbacktext" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="quizid" NEXT="mingrade"/>
 288         <FIELD NAME="mingrade" TYPE="float" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="feedbacktext" NEXT="maxgrade"/>
 289         <FIELD NAME="maxgrade" TYPE="float" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="mingrade"/>
 290       </FIELDS>
 291       <KEYS>
 292         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="quizid"/>
 293         <KEY NAME="quizid" TYPE="foreign" FIELDS="quizid" REFTABLE="quiz" REFFIELDS="id" PREVIOUS="primary"/>
 294       </KEYS>
 295     </TABLE>
 296   </TABLES>
 297   <STATEMENTS>
 298     <STATEMENT NAME="insert log_display" TYPE="insert" TABLE="log_display" COMMENT="Initial insert of records on table log_display">
 299       <SENTENCES>
 300         <SENTENCE TEXT="(module, action, mtable, field) VALUES ('quiz', 'add', 'quiz', 'name')" />
 301         <SENTENCE TEXT="(module, action, mtable, field) VALUES ('quiz', 'update', 'quiz', 'name')" />
 302         <SENTENCE TEXT="(module, action, mtable, field) VALUES ('quiz', 'view', 'quiz', 'name')" />
 303         <SENTENCE TEXT="(module, action, mtable, field) VALUES ('quiz', 'report', 'quiz', 'name')" />
 304         <SENTENCE TEXT="(module, action, mtable, field) VALUES ('quiz', 'attempt', 'quiz', 'name')" />
 305         <SENTENCE TEXT="(module, action, mtable, field) VALUES ('quiz', 'submit', 'quiz', 'name')" />
 306         <SENTENCE TEXT="(module, action, mtable, field) VALUES ('quiz', 'review', 'quiz', 'name')" />
 307         <SENTENCE TEXT="(module, action, mtable, field) VALUES ('quiz', 'editquestions', 'quiz', 'name')" />
 308         <SENTENCE TEXT="(module, action, mtable, field) VALUES ('quiz', 'preview', 'quiz', 'name')" />
 309         <SENTENCE TEXT="(module, action, mtable, field) VALUES ('quiz', 'start attempt', 'quiz', 'name')" />
 310         <SENTENCE TEXT="(module, action, mtable, field) VALUES ('quiz', 'close attempt', 'quiz', 'name')" />
 311         <SENTENCE TEXT="(module, action, mtable, field) VALUES ('quiz', 'continue attempt', 'quiz', 'name')" />
 312       </SENTENCES>
 313     </STATEMENT>
 314   </STATEMENTS>
 315 </XMLDB>