mod/quiz/db/install.xml

   1 <?xml version="1.0" encoding="UTF-8" ?>
   2 <XMLDB PATH="mod/quiz/db" VERSION="20070228" 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="course"/>
  10         <FIELD NAME="course" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="name"/>
  11         <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="course" NEXT="info"/>
  12         <FIELD NAME="info" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="name" NEXT="publish"/>
  13         <FIELD NAME="publish" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="info" NEXT="stamp"/>
  14         <FIELD NAME="stamp" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="publish" NEXT="parent"/>
  15         <FIELD NAME="parent" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="stamp" NEXT="sortorder"/>
  16         <FIELD NAME="sortorder" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="999" SEQUENCE="false" ENUM="false" PREVIOUS="parent"/>
  17       </FIELDS>
  18       <KEYS>
  19         <KEY NAME="primary" TYPE="primary" FIELDS="id" COMMENT="Primary key for question_categories" NEXT="parent"/>
  20         <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"/>
  21       </KEYS>
  22       <INDEXES>
  23         <INDEX NAME="course" UNIQUE="false" FIELDS="course"/>
  24       </INDEXES>
  25     </TABLE>
  26     <TABLE NAME="question" COMMENT="The questions themselves" PREVIOUS="question_categories" NEXT="question_answers">
  27       <FIELDS>
  28         <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="category"/>
  29         <FIELD NAME="category" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="parent"/>
  30         <FIELD NAME="parent" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="category" NEXT="name"/>
  31         <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="parent" NEXT="questiontext"/>
  32         <FIELD NAME="questiontext" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="name" NEXT="questiontextformat"/>
  33         <FIELD NAME="questiontextformat" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="questiontext" NEXT="image"/>
  34         <FIELD NAME="image" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="questiontextformat" NEXT="generalfeedback"/>
  35         <FIELD NAME="generalfeedback" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" COMMENT="to store the question feedback" PREVIOUS="image" NEXT="defaultgrade"/>
  36         <FIELD NAME="defaultgrade" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" ENUM="false" PREVIOUS="generalfeedback" NEXT="penalty"/>
  37         <FIELD NAME="penalty" TYPE="float" NOTNULL="true" UNSIGNED="false" DEFAULT="0.1" SEQUENCE="false" ENUM="false" PREVIOUS="defaultgrade" NEXT="qtype"/>
  38         <FIELD NAME="qtype" TYPE="char" LENGTH="20" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="penalty" NEXT="length"/>
  39         <FIELD NAME="length" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" ENUM="false" PREVIOUS="qtype" NEXT="stamp"/>
  40         <FIELD NAME="stamp" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="length" NEXT="version"/>
  41         <FIELD NAME="version" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="stamp" NEXT="hidden"/>
  42         <FIELD NAME="hidden" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="version"/>
  43       </FIELDS>
  44       <KEYS>
  45         <KEY NAME="primary" TYPE="primary" FIELDS="id" COMMENT="Primary key for question" NEXT="category"/>
  46         <KEY NAME="category" TYPE="foreign" FIELDS="category" REFTABLE="question_categories" REFFIELDS="id" PREVIOUS="primary" NEXT="parent"/>
  47         <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"/>
  48       </KEYS>
  49     </TABLE>
  50     <TABLE NAME="question_answers" COMMENT="Answers, with a fractional grade (0-1) and feedback" PREVIOUS="question" NEXT="question_dataset_definitions">
  51       <FIELDS>
  52         <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="question"/>
  53         <FIELD NAME="question" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="answer"/>
  54         <FIELD NAME="answer" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="question" NEXT="fraction"/>
  55         <FIELD NAME="fraction" TYPE="float" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="answer" NEXT="feedback"/>
  56         <FIELD NAME="feedback" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="fraction"/>
  57       </FIELDS>
  58       <KEYS>
  59         <KEY NAME="primary" TYPE="primary" FIELDS="id" COMMENT="Primary key for question_answers" NEXT="question"/>
  60         <KEY NAME="question" TYPE="foreign" FIELDS="question" REFTABLE="question" REFFIELDS="id" PREVIOUS="primary"/>
  61       </KEYS>
  62     </TABLE>
  63     <TABLE NAME="question_dataset_definitions" COMMENT="Organises and stores properties for dataset items" PREVIOUS="question_answers" NEXT="question_dataset_items">
  64       <FIELDS>
  65         <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="category"/>
  66         <FIELD NAME="category" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="name"/>
  67         <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="category" NEXT="type"/>
  68         <FIELD NAME="type" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="name" NEXT="options"/>
  69         <FIELD NAME="options" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="type" NEXT="itemcount"/>
  70         <FIELD NAME="itemcount" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="options"/>
  71       </FIELDS>
  72       <KEYS>
  73         <KEY NAME="primary" TYPE="primary" FIELDS="id" COMMENT="Primary key for question_dataset_definitions" NEXT="category"/>
  74         <KEY NAME="category" TYPE="foreign" FIELDS="category" REFTABLE="question_categories" REFFIELDS="id" PREVIOUS="primary"/>
  75       </KEYS>
  76     </TABLE>
  77     <TABLE NAME="question_dataset_items" COMMENT="Individual dataset items" PREVIOUS="question_dataset_definitions" NEXT="question_datasets">
  78       <FIELDS>
  79         <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="definition"/>
  80         <FIELD NAME="definition" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="itemnumber"/>
  81         <FIELD NAME="itemnumber" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="definition" NEXT="value"/>
  82         <FIELD NAME="value" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="itemnumber"/>
  83       </FIELDS>
  84       <KEYS>
  85         <KEY NAME="primary" TYPE="primary" FIELDS="id" COMMENT="Primary key for question_dataset_items"/>
  86       </KEYS>
  87       <INDEXES>
  88         <INDEX NAME="definition" UNIQUE="false" FIELDS="definition"/>
  89       </INDEXES>
  90     </TABLE>
  91     <TABLE NAME="question_datasets" COMMENT="Many-many relation between questions and dataset definitions" PREVIOUS="question_dataset_items" NEXT="question_numerical_units">
  92       <FIELDS>
  93         <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="question"/>
  94         <FIELD NAME="question" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="datasetdefinition"/>
  95         <FIELD NAME="datasetdefinition" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="question"/>
  96       </FIELDS>
  97       <KEYS>
  98         <KEY NAME="primary" TYPE="primary" FIELDS="id" COMMENT="Primary key for question_datasets" NEXT="question"/>
  99         <KEY NAME="question" TYPE="foreign" FIELDS="question" REFTABLE="question" REFFIELDS="id" PREVIOUS="primary" NEXT="datasetdefinition"/>
 100         <KEY NAME="datasetdefinition" TYPE="foreign" FIELDS="datasetdefinition" REFTABLE="question_dataset_definitions" REFFIELDS="id" PREVIOUS="question"/>
 101       </KEYS>
 102       <INDEXES>
 103         <INDEX NAME="question-datasetdefinition" UNIQUE="false" FIELDS="question, datasetdefinition"/>
 104       </INDEXES>
 105     </TABLE>
 106     <TABLE NAME="question_numerical_units" COMMENT="Optional unit options for numerical questions" PREVIOUS="question_datasets" NEXT="question_attempts">
 107       <FIELDS>
 108         <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="question"/>
 109         <FIELD NAME="question" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="multiplier"/>
 110         <FIELD NAME="multiplier" TYPE="number" LENGTH="40" NOTNULL="true" UNSIGNED="false" DEFAULT="1.00000000000000000000" SEQUENCE="false" ENUM="false" DECIMALS="20" PREVIOUS="question" NEXT="unit"/>
 111         <FIELD NAME="unit" TYPE="char" LENGTH="50" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="multiplier"/>
 112       </FIELDS>
 113       <KEYS>
 114         <KEY NAME="primary" TYPE="primary" FIELDS="id" COMMENT="Primary key for question_numerical_units" NEXT="question"/>
 115         <KEY NAME="question" TYPE="foreign" FIELDS="question" REFTABLE="question" REFFIELDS="id" PREVIOUS="primary"/>
 116       </KEYS>
 117       <INDEXES>
 118         <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."/>
 119       </INDEXES>
 120     </TABLE>
 121     <TABLE NAME="question_attempts" COMMENT="Student attempts. This table gets extended by the modules" PREVIOUS="question_numerical_units" NEXT="question_states">
 122       <FIELDS>
 123         <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="modulename"/>
 124         <FIELD NAME="modulename" TYPE="char" LENGTH="20" NOTNULL="true" DEFAULT="quiz" SEQUENCE="false" ENUM="false" PREVIOUS="id"/>
 125       </FIELDS>
 126       <KEYS>
 127         <KEY NAME="primary" TYPE="primary" FIELDS="id" COMMENT="Primary key for question_attempts"/>
 128       </KEYS>
 129     </TABLE>
 130     <TABLE NAME="question_states" COMMENT="Stores user responses to an attempt, and percentage grades" PREVIOUS="question_attempts" NEXT="question_sessions">
 131       <FIELDS>
 132         <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="attempt"/>
 133         <FIELD NAME="attempt" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="question"/>
 134         <FIELD NAME="question" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="attempt" NEXT="originalquestion"/>
 135         <FIELD NAME="originalquestion" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="question" NEXT="seq_number"/>
 136         <FIELD NAME="seq_number" TYPE="int" LENGTH="6" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="originalquestion" NEXT="answer"/>
 137         <FIELD NAME="answer" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="seq_number" NEXT="timestamp"/>
 138         <FIELD NAME="timestamp" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="answer" NEXT="event"/>
 139         <FIELD NAME="event" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="timestamp" NEXT="grade"/>
 140         <FIELD NAME="grade" TYPE="float" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="event" NEXT="raw_grade"/>
 141         <FIELD NAME="raw_grade" TYPE="float" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="grade" NEXT="penalty"/>
 142         <FIELD NAME="penalty" TYPE="float" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="raw_grade"/>
 143       </FIELDS>
 144       <KEYS>
 145         <KEY NAME="primary" TYPE="primary" FIELDS="id" COMMENT="Primary key for question_states" NEXT="attempt"/>
 146         <KEY NAME="attempt" TYPE="foreign" FIELDS="attempt" REFTABLE="question_attempts" REFFIELDS="id" PREVIOUS="primary" NEXT="question"/>
 147         <KEY NAME="question" TYPE="foreign" FIELDS="question" REFTABLE="question" REFFIELDS="id" PREVIOUS="attempt"/>
 148       </KEYS>
 149     </TABLE>
 150     <TABLE NAME="question_sessions" COMMENT="Gives ids of the newest open and newest graded states" PREVIOUS="question_states" NEXT="quiz">
 151       <FIELDS>
 152         <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="attemptid"/>
 153         <FIELD NAME="attemptid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="questionid"/>
 154         <FIELD NAME="questionid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="attemptid" NEXT="newest"/>
 155         <FIELD NAME="newest" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="questionid" NEXT="newgraded"/>
 156         <FIELD NAME="newgraded" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="newest" NEXT="sumpenalty"/>
 157         <FIELD NAME="sumpenalty" TYPE="float" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="newgraded" NEXT="manualcomment"/>
 158         <FIELD NAME="manualcomment" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="sumpenalty"/>
 159       </FIELDS>
 160       <KEYS>
 161         <KEY NAME="primary" TYPE="primary" FIELDS="id" COMMENT="Primary key for question_sessions" NEXT="attemptid"/>
 162         <KEY NAME="attemptid" TYPE="foreign" FIELDS="attemptid" REFTABLE="question_attempts" REFFIELDS="id" PREVIOUS="primary" NEXT="questionid"/>
 163         <KEY NAME="questionid" TYPE="foreign" FIELDS="questionid" REFTABLE="question" REFFIELDS="id" PREVIOUS="attemptid" NEXT="newest"/>
 164         <KEY NAME="newest" TYPE="foreign" FIELDS="newest" REFTABLE="question_states" REFFIELDS="id" PREVIOUS="questionid" NEXT="newgraded"/>
 165         <KEY NAME="newgraded" TYPE="foreign" FIELDS="newgraded" REFTABLE="question_states" REFFIELDS="id" PREVIOUS="newest"/>
 166       </KEYS>
 167       <INDEXES>
 168         <INDEX NAME="attemptid-questionid" UNIQUE="true" FIELDS="attemptid, questionid"/>
 169       </INDEXES>
 170     </TABLE>
 171     <TABLE NAME="quiz" COMMENT="Main information about each quiz" PREVIOUS="question_sessions" NEXT="quiz_attempts">
 172       <FIELDS>
 173         <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="course"/>
 174         <FIELD NAME="course" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="name"/>
 175         <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="course" NEXT="intro"/>
 176         <FIELD NAME="intro" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="name" NEXT="timeopen"/>
 177         <FIELD NAME="timeopen" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="intro" NEXT="timeclose"/>
 178         <FIELD NAME="timeclose" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="timeopen" NEXT="optionflags"/>
 179         <FIELD NAME="optionflags" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="timeclose" NEXT="penaltyscheme"/>
 180         <FIELD NAME="penaltyscheme" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="optionflags" NEXT="attempts"/>
 181         <FIELD NAME="attempts" TYPE="int" LENGTH="6" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="penaltyscheme" NEXT="attemptonlast"/>
 182         <FIELD NAME="attemptonlast" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="attempts" NEXT="grademethod"/>
 183         <FIELD NAME="grademethod" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="false" DEFAULT="1" SEQUENCE="false" ENUM="false" PREVIOUS="attemptonlast" NEXT="decimalpoints"/>
 184         <FIELD NAME="decimalpoints" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="false" DEFAULT="2" SEQUENCE="false" ENUM="false" PREVIOUS="grademethod" NEXT="review"/>
 185         <FIELD NAME="review" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="decimalpoints" NEXT="questionsperpage"/>
 186         <FIELD NAME="questionsperpage" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="review" NEXT="shufflequestions"/>
 187         <FIELD NAME="shufflequestions" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="questionsperpage" NEXT="shuffleanswers"/>
 188         <FIELD NAME="shuffleanswers" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="shufflequestions" NEXT="questions"/>
 189         <FIELD NAME="questions" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="shuffleanswers" NEXT="sumgrades"/>
 190         <FIELD NAME="sumgrades" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="questions" NEXT="grade"/>
 191         <FIELD NAME="grade" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="sumgrades" NEXT="timecreated"/>
 192         <FIELD NAME="timecreated" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="grade" NEXT="timemodified"/>
 193         <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="timecreated" NEXT="timelimit"/>
 194         <FIELD NAME="timelimit" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="timemodified" NEXT="password"/>
 195         <FIELD NAME="password" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="timelimit" NEXT="subnet"/>
 196         <FIELD NAME="subnet" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="password" NEXT="popup"/>
 197         <FIELD NAME="popup" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="subnet" NEXT="delay1"/>
 198         <FIELD NAME="delay1" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="popup" NEXT="delay2"/>
 199         <FIELD NAME="delay2" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="delay1"/>
 200       </FIELDS>
 201       <KEYS>
 202         <KEY NAME="primary" TYPE="primary" FIELDS="id" COMMENT="Primary key for quiz"/>
 203       </KEYS>
 204       <INDEXES>
 205         <INDEX NAME="course" UNIQUE="false" FIELDS="course"/>
 206       </INDEXES>
 207     </TABLE>
 208     <TABLE NAME="quiz_attempts" COMMENT="Stores various attempts on a quiz" PREVIOUS="quiz" NEXT="quiz_grades">
 209       <FIELDS>
 210         <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="uniqueid"/>
 211         <FIELD NAME="uniqueid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="quiz"/>
 212         <FIELD NAME="quiz" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="uniqueid" NEXT="userid"/>
 213         <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="quiz" NEXT="attempt"/>
 214         <FIELD NAME="attempt" TYPE="int" LENGTH="6" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="userid" NEXT="sumgrades"/>
 215         <FIELD NAME="sumgrades" TYPE="float" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="attempt" NEXT="timestart"/>
 216         <FIELD NAME="timestart" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="sumgrades" NEXT="timefinish"/>
 217         <FIELD NAME="timefinish" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="timestart" NEXT="timemodified"/>
 218         <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="timefinish" NEXT="layout"/>
 219         <FIELD NAME="layout" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="timemodified" NEXT="preview"/>
 220         <FIELD NAME="preview" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="layout"/>
 221       </FIELDS>
 222       <KEYS>
 223         <KEY NAME="primary" TYPE="primary" FIELDS="id" COMMENT="Primary key for quiz_attempts" NEXT="uniqueid"/>
 224         <KEY NAME="uniqueid" TYPE="foreign-unique" FIELDS="uniqueid" REFTABLE="question_attempts" REFFIELDS="id" PREVIOUS="primary" NEXT="quiz"/>
 225         <KEY NAME="quiz" TYPE="foreign" FIELDS="quiz" REFTABLE="quiz" REFFIELDS="id" PREVIOUS="uniqueid"/>
 226       </KEYS>
 227       <INDEXES>
 228         <INDEX NAME="userid" UNIQUE="false" FIELDS="userid"/>
 229       </INDEXES>
 230     </TABLE>
 231     <TABLE NAME="quiz_grades" COMMENT="Final quiz grade (may be best of several attempts)" PREVIOUS="quiz_attempts" NEXT="quiz_question_instances">
 232       <FIELDS>
 233         <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="quiz"/>
 234         <FIELD NAME="quiz" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="userid"/>
 235         <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="quiz" NEXT="grade"/>
 236         <FIELD NAME="grade" TYPE="float" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="userid" NEXT="timemodified"/>
 237         <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="grade"/>
 238       </FIELDS>
 239       <KEYS>
 240         <KEY NAME="primary" TYPE="primary" FIELDS="id" COMMENT="Primary key for quiz_grades" NEXT="quiz"/>
 241         <KEY NAME="quiz" TYPE="foreign" FIELDS="quiz" REFTABLE="quiz" REFFIELDS="id" PREVIOUS="primary"/>
 242       </KEYS>
 243       <INDEXES>
 244         <INDEX NAME="userid" UNIQUE="false" FIELDS="userid"/>
 245       </INDEXES>
 246     </TABLE>
 247     <TABLE NAME="quiz_question_instances" COMMENT="The grade for a question in a quiz" PREVIOUS="quiz_grades" NEXT="quiz_question_versions">
 248       <FIELDS>
 249         <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="quiz"/>
 250         <FIELD NAME="quiz" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="question"/>
 251         <FIELD NAME="question" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="quiz" NEXT="grade"/>
 252         <FIELD NAME="grade" TYPE="int" LENGTH="6" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="question"/>
 253       </FIELDS>
 254       <KEYS>
 255         <KEY NAME="primary" TYPE="primary" FIELDS="id" COMMENT="Primary key for quiz_question_instances" NEXT="quiz"/>
 256         <KEY NAME="quiz" TYPE="foreign" FIELDS="quiz" REFTABLE="quiz" REFFIELDS="id" PREVIOUS="primary" NEXT="question"/>
 257         <KEY NAME="question" TYPE="foreign" FIELDS="question" REFTABLE="question" REFFIELDS="id" PREVIOUS="quiz"/>
 258       </KEYS>
 259     </TABLE>
 260     <TABLE NAME="quiz_question_versions" COMMENT="quiz_question_versions table retrofitted from MySQL" PREVIOUS="quiz_question_instances" NEXT="quiz_feedback">
 261       <FIELDS>
 262         <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="quiz"/>
 263         <FIELD NAME="quiz" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="oldquestion"/>
 264         <FIELD NAME="oldquestion" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="quiz" NEXT="newquestion"/>
 265         <FIELD NAME="newquestion" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="oldquestion" NEXT="originalquestion"/>
 266         <FIELD NAME="originalquestion" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="newquestion" NEXT="userid"/>
 267         <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="originalquestion" NEXT="timestamp"/>
 268         <FIELD NAME="timestamp" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="userid"/>
 269       </FIELDS>
 270       <KEYS>
 271         <KEY NAME="primary" TYPE="primary" FIELDS="id" COMMENT="Primary key for quiz_question_versions" NEXT="quiz"/>
 272         <KEY NAME="quiz" TYPE="foreign" FIELDS="quiz" REFTABLE="quiz" REFFIELDS="id" PREVIOUS="primary" NEXT="oldquestion"/>
 273         <KEY NAME="oldquestion" TYPE="foreign" FIELDS="oldquestion" REFTABLE="question" REFFIELDS="id" PREVIOUS="quiz" NEXT="newquestion"/>
 274         <KEY NAME="newquestion" TYPE="foreign" FIELDS="newquestion" REFTABLE="question" REFFIELDS="id" PREVIOUS="oldquestion" NEXT="originalquestion"/>
 275         <KEY NAME="originalquestion" TYPE="foreign" FIELDS="originalquestion" REFTABLE="question" REFFIELDS="id" PREVIOUS="newquestion"/>
 276       </KEYS>
 277     </TABLE>
 278     <TABLE NAME="quiz_feedback" COMMENT="Feedback given to students based on their overall score on the test" PREVIOUS="quiz_question_versions">
 279       <FIELDS>
 280         <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="quizid"/>
 281         <FIELD NAME="quizid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="feedbacktext"/>
 282         <FIELD NAME="feedbacktext" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="quizid" NEXT="mingrade"/>
 283         <FIELD NAME="mingrade" TYPE="float" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="feedbacktext" NEXT="maxgrade"/>
 284         <FIELD NAME="maxgrade" TYPE="float" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="mingrade"/>
 285       </FIELDS>
 286       <KEYS>
 287         <KEY NAME="primary" TYPE="primary" FIELDS="id" COMMENT="Primary key for quiz_feedback" NEXT="quizid"/>
 288         <KEY NAME="quizid" TYPE="foreign" FIELDS="quizid" REFTABLE="quiz" REFFIELDS="id" PREVIOUS="primary"/>
 289       </KEYS>
 290     </TABLE>
 291   </TABLES>
 292   <STATEMENTS>
 293     <STATEMENT NAME="insert log_display" TYPE="insert" TABLE="log_display" COMMENT="Initial insert of records on table log_display">
 294       <SENTENCES>
 295         <SENTENCE TEXT="(module, action, mtable, field) VALUES ('quiz', 'add', 'quiz', 'name')" />
 296         <SENTENCE TEXT="(module, action, mtable, field) VALUES ('quiz', 'update', 'quiz', 'name')" />
 297         <SENTENCE TEXT="(module, action, mtable, field) VALUES ('quiz', 'view', 'quiz', 'name')" />
 298         <SENTENCE TEXT="(module, action, mtable, field) VALUES ('quiz', 'report', 'quiz', 'name')" />
 299         <SENTENCE TEXT="(module, action, mtable, field) VALUES ('quiz', 'attempt', 'quiz', 'name')" />
 300         <SENTENCE TEXT="(module, action, mtable, field) VALUES ('quiz', 'submit', 'quiz', 'name')" />
 301         <SENTENCE TEXT="(module, action, mtable, field) VALUES ('quiz', 'review', 'quiz', 'name')" />
 302         <SENTENCE TEXT="(module, action, mtable, field) VALUES ('quiz', 'editquestions', 'quiz', 'name')" />
 303         <SENTENCE TEXT="(module, action, mtable, field) VALUES ('quiz', 'preview', 'quiz', 'name')" />
 304         <SENTENCE TEXT="(module, action, mtable, field) VALUES ('quiz', 'start attempt', 'quiz', 'name')" />
 305         <SENTENCE TEXT="(module, action, mtable, field) VALUES ('quiz', 'close attempt', 'quiz', 'name')" />
 306         <SENTENCE TEXT="(module, action, mtable, field) VALUES ('quiz', 'continue attempt', 'quiz', 'name')" />
 307       </SENTENCES>
 308     </STATEMENT>
 309   </STATEMENTS>
 310 </XMLDB>