<?xml version="1.0" encoding="UTF-8" ?>
<XMLDB PATH="mod/lesson/db" VERSION="20150720" COMMENT="XMLDB file for Moodle mod/lesson"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:noNamespaceSchemaLocation="../../../lib/xmldb/xmldb.xsd"
>
  <TABLES>
    <TABLE NAME="lesson" COMMENT="Defines lesson">
      <FIELDS>
        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true"/>
        <FIELD NAME="course" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
        <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false"/>
        <FIELD NAME="intro" TYPE="text" NOTNULL="false" SEQUENCE="false"/>
        <FIELD NAME="introformat" TYPE="int" LENGTH="4" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
        <FIELD NAME="practice" TYPE="int" LENGTH="3" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
        <FIELD NAME="modattempts" TYPE="int" LENGTH="3" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
        <FIELD NAME="usepassword" TYPE="int" LENGTH="3" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
        <FIELD NAME="password" TYPE="char" LENGTH="32" NOTNULL="true" SEQUENCE="false"/>
        <FIELD NAME="dependency" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
        <FIELD NAME="conditions" TYPE="text" NOTNULL="true" SEQUENCE="false"/>
        <FIELD NAME="grade" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
        <FIELD NAME="custom" TYPE="int" LENGTH="3" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
        <FIELD NAME="ongoing" TYPE="int" LENGTH="3" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
        <FIELD NAME="usemaxgrade" TYPE="int" LENGTH="3" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
        <FIELD NAME="maxanswers" TYPE="int" LENGTH="3" NOTNULL="true" DEFAULT="4" SEQUENCE="false"/>
        <FIELD NAME="maxattempts" TYPE="int" LENGTH="3" NOTNULL="true" DEFAULT="5" SEQUENCE="false"/>
        <FIELD NAME="review" TYPE="int" LENGTH="3" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
        <FIELD NAME="nextpagedefault" TYPE="int" LENGTH="3" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
        <FIELD NAME="feedback" TYPE="int" LENGTH="3" NOTNULL="true" DEFAULT="1" SEQUENCE="false"/>
        <FIELD NAME="minquestions" TYPE="int" LENGTH="3" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
        <FIELD NAME="maxpages" TYPE="int" LENGTH="3" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
        <FIELD NAME="timelimit" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
        <FIELD NAME="retake" TYPE="int" LENGTH="3" NOTNULL="true" DEFAULT="1" SEQUENCE="false"/>
        <FIELD NAME="activitylink" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
        <FIELD NAME="mediafile" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" COMMENT="Local file path or full external URL"/>
        <FIELD NAME="mediaheight" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="100" SEQUENCE="false"/>
        <FIELD NAME="mediawidth" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="650" SEQUENCE="false"/>
        <FIELD NAME="mediaclose" TYPE="int" LENGTH="3" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
        <FIELD NAME="slideshow" TYPE="int" LENGTH="3" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
        <FIELD NAME="width" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="640" SEQUENCE="false"/>
        <FIELD NAME="height" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="480" SEQUENCE="false"/>
        <FIELD NAME="bgcolor" TYPE="char" LENGTH="7" NOTNULL="true" DEFAULT="#FFFFFF" SEQUENCE="false"/>
        <FIELD NAME="displayleft" TYPE="int" LENGTH="3" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
        <FIELD NAME="displayleftif" TYPE="int" LENGTH="3" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
        <FIELD NAME="progressbar" TYPE="int" LENGTH="3" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
        <FIELD NAME="available" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
        <FIELD NAME="deadline" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
        <FIELD NAME="completionendreached" TYPE="int" LENGTH="1" NOTNULL="false" DEFAULT="0" SEQUENCE="false"/>
        <FIELD NAME="completiontimespent" TYPE="int" LENGTH="11" NOTNULL="false" DEFAULT="0" SEQUENCE="false"/>
        <FIELD NAME="allowofflineattempts" TYPE="int" LENGTH="1" NOTNULL="false" DEFAULT="0" SEQUENCE="false" COMMENT="Whether to allow the lesson to be attempted offline in the mobile app"/>
      </FIELDS>
      <KEYS>
        <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
      </KEYS>
      <INDEXES>
        <INDEX NAME="course" UNIQUE="false" FIELDS="course"/>
      </INDEXES>
    </TABLE>
    <TABLE NAME="lesson_pages" COMMENT="Defines lesson_pages">
      <FIELDS>
        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true"/>
        <FIELD NAME="lessonid" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
        <FIELD NAME="prevpageid" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
        <FIELD NAME="nextpageid" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
        <FIELD NAME="qtype" TYPE="int" LENGTH="3" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
        <FIELD NAME="qoption" TYPE="int" LENGTH="3" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
        <FIELD NAME="layout" TYPE="int" LENGTH="3" NOTNULL="true" DEFAULT="1" SEQUENCE="false"/>
        <FIELD NAME="display" TYPE="int" LENGTH="3" NOTNULL="true" DEFAULT="1" SEQUENCE="false"/>
        <FIELD NAME="timecreated" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
        <FIELD NAME="title" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false"/>
        <FIELD NAME="contents" TYPE="text" NOTNULL="true" SEQUENCE="false"/>
        <FIELD NAME="contentsformat" TYPE="int" LENGTH="2" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
      </FIELDS>
      <KEYS>
        <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
        <KEY NAME="lessonid" TYPE="foreign" FIELDS="lessonid" REFTABLE="lesson" REFFIELDS="id"/>
      </KEYS>
    </TABLE>
    <TABLE NAME="lesson_answers" COMMENT="Defines lesson_answers">
      <FIELDS>
        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true"/>
        <FIELD NAME="lessonid" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
        <FIELD NAME="pageid" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
        <FIELD NAME="jumpto" TYPE="int" LENGTH="11" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
        <FIELD NAME="grade" TYPE="int" LENGTH="4" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
        <FIELD NAME="score" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
        <FIELD NAME="flags" TYPE="int" LENGTH="3" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
        <FIELD NAME="timecreated" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
        <FIELD NAME="answer" TYPE="text" NOTNULL="false" SEQUENCE="false"/>
        <FIELD NAME="answerformat" TYPE="int" LENGTH="2" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
        <FIELD NAME="response" TYPE="text" NOTNULL="false" SEQUENCE="false"/>
        <FIELD NAME="responseformat" TYPE="int" LENGTH="2" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
      </FIELDS>
      <KEYS>
        <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
        <KEY NAME="lessonid" TYPE="foreign" FIELDS="lessonid" REFTABLE="lesson" REFFIELDS="id"/>
        <KEY NAME="pageid" TYPE="foreign" FIELDS="pageid" REFTABLE="lesson_pages" REFFIELDS="id"/>
      </KEYS>
    </TABLE>
    <TABLE NAME="lesson_attempts" COMMENT="Defines lesson_attempts">
      <FIELDS>
        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true"/>
        <FIELD NAME="lessonid" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
        <FIELD NAME="pageid" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
        <FIELD NAME="answerid" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
        <FIELD NAME="retry" TYPE="int" LENGTH="3" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
        <FIELD NAME="correct" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
        <FIELD NAME="useranswer" TYPE="text" NOTNULL="false" SEQUENCE="false"/>
        <FIELD NAME="timeseen" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
      </FIELDS>
      <KEYS>
        <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
        <KEY NAME="lessonid" TYPE="foreign" FIELDS="lessonid" REFTABLE="lesson" REFFIELDS="id"/>
        <KEY NAME="pageid" TYPE="foreign" FIELDS="pageid" REFTABLE="lesson_pages" REFFIELDS="id"/>
        <KEY NAME="answerid" TYPE="foreign" FIELDS="answerid" REFTABLE="lesson_answers" REFFIELDS="id"/>
      </KEYS>
      <INDEXES>
        <INDEX NAME="userid" UNIQUE="false" FIELDS="userid"/>
      </INDEXES>
    </TABLE>
    <TABLE NAME="lesson_grades" COMMENT="Defines lesson_grades">
      <FIELDS>
        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true"/>
        <FIELD NAME="lessonid" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
        <FIELD NAME="grade" TYPE="float" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
        <FIELD NAME="late" TYPE="int" LENGTH="3" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
        <FIELD NAME="completed" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
      </FIELDS>
      <KEYS>
        <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
        <KEY NAME="lessonid" TYPE="foreign" FIELDS="lessonid" REFTABLE="lesson" REFFIELDS="id"/>
      </KEYS>
      <INDEXES>
        <INDEX NAME="userid" UNIQUE="false" FIELDS="userid"/>
      </INDEXES>
    </TABLE>
    <TABLE NAME="lesson_timer" COMMENT="lesson timer for each lesson">
      <FIELDS>
        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true"/>
        <FIELD NAME="lessonid" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
        <FIELD NAME="starttime" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
        <FIELD NAME="lessontime" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
        <FIELD NAME="completed" TYPE="int" LENGTH="1" NOTNULL="false" DEFAULT="0" SEQUENCE="false"/>
        <FIELD NAME="timemodifiedoffline" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="Last modified time via web services (mobile app)."/>
      </FIELDS>
      <KEYS>
        <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
        <KEY NAME="lessonid" TYPE="foreign" FIELDS="lessonid" REFTABLE="lesson" REFFIELDS="id"/>
      </KEYS>
      <INDEXES>
        <INDEX NAME="userid" UNIQUE="false" FIELDS="userid"/>
      </INDEXES>
    </TABLE>
    <TABLE NAME="lesson_branch" COMMENT="branches for each lesson/user">
      <FIELDS>
        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true"/>
        <FIELD NAME="lessonid" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
        <FIELD NAME="pageid" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
        <FIELD NAME="retry" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
        <FIELD NAME="flag" TYPE="int" LENGTH="3" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
        <FIELD NAME="timeseen" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
        <FIELD NAME="nextpageid" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
      </FIELDS>
      <KEYS>
        <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
        <KEY NAME="lessonid" TYPE="foreign" FIELDS="lessonid" REFTABLE="lesson" REFFIELDS="id"/>
        <KEY NAME="pageid" TYPE="foreign" FIELDS="pageid" REFTABLE="lesson_pages" REFFIELDS="id"/>
      </KEYS>
      <INDEXES>
        <INDEX NAME="userid" UNIQUE="false" FIELDS="userid"/>
      </INDEXES>
    </TABLE>
    <TABLE NAME="lesson_overrides" COMMENT="The overrides to lesson settings.">
      <FIELDS>
        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true"/>
        <FIELD NAME="lessonid" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="Foreign key references lesson.id"/>
        <FIELD NAME="groupid" TYPE="int" LENGTH="10" NOTNULL="false" SEQUENCE="false" COMMENT="Foreign key references groups.id.  Can be null if this is a per-user override."/>
        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="false" SEQUENCE="false" COMMENT="Foreign key references user.id.  Can be null if this is a per-group override."/>
        <FIELD NAME="available" TYPE="int" LENGTH="10" NOTNULL="false" SEQUENCE="false" COMMENT="Time at which students may start attempting this lesson. Can be null, in which case the lesson default is used."/>
        <FIELD NAME="deadline" TYPE="int" LENGTH="10" NOTNULL="false" SEQUENCE="false" COMMENT="Time by which students must have completed their attempt.  Can be null, in which case the lesson default is used."/>
        <FIELD NAME="timelimit" TYPE="int" LENGTH="10" NOTNULL="false" SEQUENCE="false" COMMENT="Time limit in seconds.  Can be null, in which case the lesson default is used."/>
        <FIELD NAME="review" TYPE="int" LENGTH="3" NOTNULL="false" SEQUENCE="false"/>
        <FIELD NAME="maxattempts" TYPE="int" LENGTH="3" NOTNULL="false" SEQUENCE="false"/>
        <FIELD NAME="retake" TYPE="int" LENGTH="3" NOTNULL="false" SEQUENCE="false"/>
        <FIELD NAME="password" TYPE="char" LENGTH="32" NOTNULL="false" SEQUENCE="false" COMMENT="Lesson password.  Can be null, in which case the lesson default is used."/>
      </FIELDS>
      <KEYS>
        <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
        <KEY NAME="lessonid" TYPE="foreign" FIELDS="lessonid" REFTABLE="lesson" REFFIELDS="id"/>
        <KEY NAME="groupid" TYPE="foreign" FIELDS="groupid" REFTABLE="groups" REFFIELDS="id"/>
        <KEY NAME="userid" TYPE="foreign" FIELDS="userid" REFTABLE="user" REFFIELDS="id"/>
      </KEYS>
    </TABLE>
  </TABLES>
</XMLDB>
