/mod/quiz
<?xml version="1.0" encoding="UTF-8" ?>
<XMLDB PATH="mod/quiz/db" VERSION="20180719" COMMENT="XMLDB file for Moodle mod/quiz"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:noNamespaceSchemaLocation="../../../lib/xmldb/xmldb.xsd"
>
<TABLES>
<TABLE NAME="quiz" COMMENT="The settings for each quiz.">
<FIELDS>
<FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true" COMMENT="Standard Moodle primary key."/>
<FIELD NAME="course" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="Foreign key reference to the course this quiz is part of."/>
<FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" COMMENT="Quiz name."/>
<FIELD NAME="intro" TYPE="text" NOTNULL="true" SEQUENCE="false" COMMENT="Quiz introduction text."/>
<FIELD NAME="introformat" TYPE="int" LENGTH="4" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="Quiz intro text format."/>
<FIELD NAME="timeopen" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="The time when this quiz opens. (0 = no restriction.)"/>
<FIELD NAME="timeclose" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="The time when this quiz closes. (0 = no restriction.)"/>
<FIELD NAME="timelimit" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="The time limit for quiz attempts, in seconds."/>
<FIELD NAME="overduehandling" TYPE="char" LENGTH="16" NOTNULL="true" DEFAULT="autoabandon" SEQUENCE="false" COMMENT="The method used to handle overdue attempts. 'autosubmit', 'graceperiod' or 'autoabandon'."/>
<FIELD NAME="graceperiod" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="The amount of time (in seconds) after the time limit runs out during which attempts can still be submitted, if overduehandling is set to allow it."/>
<FIELD NAME="preferredbehaviour" TYPE="char" LENGTH="32" NOTNULL="true" SEQUENCE="false" COMMENT="The behaviour to ask questions to use."/>
<FIELD NAME="canredoquestions" TYPE="int" LENGTH="4" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="Allows students to redo any completed question within a quiz attempt."/>
<FIELD NAME="attempts" TYPE="int" LENGTH="6" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="The maximum number of attempts a student is allowed."/>
<FIELD NAME="attemptonlast" TYPE="int" LENGTH="4" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="Whether subsequent attempts start from teh answer to the previous attempt (1) or start blank (0)."/>
<FIELD NAME="grademethod" TYPE="int" LENGTH="4" NOTNULL="true" DEFAULT="1" SEQUENCE="false" COMMENT="One of the values QUIZ_GRADEHIGHEST, QUIZ_GRADEAVERAGE, QUIZ_ATTEMPTFIRST or QUIZ_ATTEMPTLAST."/>
<FIELD NAME="decimalpoints" TYPE="int" LENGTH="4" NOTNULL="true" DEFAULT="2" SEQUENCE="false" COMMENT="Number of decimal points to use when displaying grades."/>
<FIELD NAME="questiondecimalpoints" TYPE="int" LENGTH="4" NOTNULL="true" DEFAULT="-1" SEQUENCE="false" COMMENT="Number of decimal points to use when displaying question grades. (-1 means use decimalpoints.)"/>
<FIELD NAME="reviewattempt" TYPE="int" LENGTH="6" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="Whether users are allowed to review their quiz attempts at various times. This is a bit field, decoded by the mod_quiz_display_options class. It is formed by ORing together the constants defined there."/>
<FIELD NAME="reviewcorrectness" TYPE="int" LENGTH="6" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="Whether users are allowed to review their quiz attempts at various times. A bit field, like reviewattempt."/>
<FIELD NAME="reviewmarks" TYPE="int" LENGTH="6" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="Whether users are allowed to review their quiz attempts at various times. A bit field, like reviewattempt."/>
<FIELD NAME="reviewspecificfeedback" TYPE="int" LENGTH="6" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="Whether users are allowed to review their quiz attempts at various times. A bit field, like reviewattempt."/>
<FIELD NAME="reviewgeneralfeedback" TYPE="int" LENGTH="6" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="Whether users are allowed to review their quiz attempts at various times. A bit field, like reviewattempt."/>
<FIELD NAME="reviewrightanswer" TYPE="int" LENGTH="6" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="Whether users are allowed to review their quiz attempts at various times. A bit field, like reviewattempt."/>
<FIELD NAME="reviewoverallfeedback" TYPE="int" LENGTH="6" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="Whether users are allowed to review their quiz attempts at various times. A bit field, like reviewattempt."/>
<FIELD NAME="questionsperpage" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="How often to insert a page break when editing the quiz, or when shuffling the question order."/>
<FIELD NAME="navmethod" TYPE="char" LENGTH="16" NOTNULL="true" DEFAULT="free" SEQUENCE="false" COMMENT="Any constraints on how the user is allowed to navigate around the quiz. Currently recognised values are 'free' and 'seq'."/>
<FIELD NAME="shuffleanswers" TYPE="int" LENGTH="4" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="Whether the parts of the question should be shuffled, in those question types that support it."/>
<FIELD NAME="sumgrades" TYPE="number" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" DECIMALS="5" COMMENT="The total of all the question instance maxmarks."/>
<FIELD NAME="grade" TYPE="number" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" DECIMALS="5" COMMENT="The total that the quiz overall grade is scaled to be out of."/>
<FIELD NAME="timecreated" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="The time when the quiz was added to the course."/>
<FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="Last modified time."/>
<FIELD NAME="password" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" COMMENT="A password that the student must enter before starting or continuing a quiz attempt."/>
<FIELD NAME="subnet" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" COMMENT="Used to restrict the IP addresses from which this quiz can be attempted. The format is as requried by the address_in_subnet function."/>
<FIELD NAME="browsersecurity" TYPE="char" LENGTH="32" NOTNULL="true" SEQUENCE="false" COMMENT="Restriciton on the browser the student must use. E.g. 'securewindow'."/>
<FIELD NAME="delay1" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="Delay that must be left between the first and second attempt, in seconds."/>
<FIELD NAME="delay2" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="Delay that must be left between the second and subsequent attempt, in seconds."/>
<FIELD NAME="showuserpicture" TYPE="int" LENGTH="4" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="Option to show the user's picture during the attempt and on the review page."/>
<FIELD NAME="showblocks" TYPE="int" LENGTH="4" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="Whether blocks should be shown on the attempt.php and review.php pages."/>
<FIELD NAME="completionattemptsexhausted" TYPE="int" LENGTH="1" NOTNULL="false" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="completionpass" TYPE="int" LENGTH="1" NOTNULL="false" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="allowofflineattempts" TYPE="int" LENGTH="1" NOTNULL="false" DEFAULT="0" SEQUENCE="false" COMMENT="Whether to allow the quiz 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="quiz_slots" COMMENT="Stores the question used in a quiz, with the order, and for each question, which page it appears on, and the maximum mark (weight).">
<FIELDS>
<FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true"/>
<FIELD NAME="slot" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="false" COMMENT="Where this question comes in order in the list of questions in this quiz. Like question_attempts.slot."/>
<FIELD NAME="quizid" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="Foreign key references quiz.id."/>
<FIELD NAME="page" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="false" COMMENT="The page number that this questions appears on. If the question in slot n appears on page p, then the question in slot n+1 must appear on page p or p+1. Well, except that when a quiz is being created, there may be empty pages, which would cause the page number to jump here."/>
<FIELD NAME="requireprevious" TYPE="int" LENGTH="4" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="Set to 1 when current question requires previous one to be answered first."/>
<FIELD NAME="questionid" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="Foreign key references question.id."/>
<FIELD NAME="questioncategoryid" TYPE="int" LENGTH="10" NOTNULL="false" SEQUENCE="false" COMMENT="The question category that the random question will be picked from. Will be null if and only if the question is not a random question."/>
<FIELD NAME="includingsubcategories" TYPE="int" LENGTH="4" NOTNULL="false" SEQUENCE="false" COMMENT="Whether the random question can be picked from sub categories or not. Will be null if questioncategoryid is null."/>
<FIELD NAME="maxmark" TYPE="number" LENGTH="12" NOTNULL="true" DEFAULT="0" SEQUENCE="false" DECIMALS="7" COMMENT="How many marks this question contributes to quiz.sumgrades."/>
</FIELDS>
<KEYS>
<KEY NAME="primary" TYPE="primary" FIELDS="id"/>
<KEY NAME="quizid" TYPE="foreign" FIELDS="quizid" REFTABLE="quiz" REFFIELDS="id"/>
<KEY NAME="questionid" TYPE="foreign" FIELDS="questionid" REFTABLE="question" REFFIELDS="id"/>
<KEY NAME="questioncategoryid" TYPE="foreign" FIELDS="questioncategoryid" REFTABLE="question_categories" REFFIELDS="id"/>
</KEYS>
<INDEXES>
<INDEX NAME="quizid-slot" UNIQUE="true" FIELDS="quizid, slot"/>
</INDEXES>
</TABLE>
<TABLE NAME="quiz_sections" COMMENT="Stores sections of a quiz with section name (heading), from slot-number N and whether the question order should be shuffled.">
<FIELDS>
<FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true"/>
<FIELD NAME="quizid" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="false" COMMENT="Foreign key references quiz.id."/>
<FIELD NAME="firstslot" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="false" COMMENT="Number of the first slot in the section. The section runs from here to the start of the next section, or the end of the quiz."/>
<FIELD NAME="heading" TYPE="char" LENGTH="1333" NOTNULL="false" SEQUENCE="false" COMMENT="The text of the heading. May be an empty string/null. Multilang format."/>
<FIELD NAME="shufflequestions" TYPE="int" LENGTH="4" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="Whether the question order within this section should be shuffled for each attempt."/>
</FIELDS>
<KEYS>
<KEY NAME="primary" TYPE="primary" FIELDS="id"/>
<KEY NAME="quizid" TYPE="foreign" FIELDS="quizid" REFTABLE="quiz" REFFIELDS="id"/>
</KEYS>
<INDEXES>
<INDEX NAME="quizid-firstslot" UNIQUE="true" FIELDS="quizid, firstslot"/>
</INDEXES>
</TABLE>
<TABLE NAME="quiz_feedback" COMMENT="Feedback given to students based on which grade band their overall score lies.">
<FIELDS>
<FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true"/>
<FIELD NAME="quizid" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="Foreign key references quiz.id."/>
<FIELD NAME="feedbacktext" TYPE="text" NOTNULL="true" SEQUENCE="false" COMMENT="The feedback to show for a attempt where mingrade <= attempt grade < maxgrade. See function quiz_feedback_for_grade in mod/quiz/locallib.php."/>
<FIELD NAME="feedbacktextformat" TYPE="int" LENGTH="2" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="mingrade" TYPE="number" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" DECIMALS="5" COMMENT="The lower limit of this grade band. Inclusive."/>
<FIELD NAME="maxgrade" TYPE="number" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" DECIMALS="5" COMMENT="The upper limit of this grade band. Exclusive."/>
</FIELDS>
<KEYS>
<KEY NAME="primary" TYPE="primary" FIELDS="id"/>
<KEY NAME="quizid" TYPE="foreign" FIELDS="quizid" REFTABLE="quiz" REFFIELDS="id"/>
</KEYS>
</TABLE>
<TABLE NAME="quiz_overrides" COMMENT="The overrides to quiz settings on a per-user and per-group basis.">
<FIELDS>
<FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true"/>
<FIELD NAME="quiz" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="Foreign key references quiz.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="timeopen" TYPE="int" LENGTH="10" NOTNULL="false" SEQUENCE="false" COMMENT="Time at which students may start attempting this quiz. Can be null, in which case the quiz default is used."/>
<FIELD NAME="timeclose" 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 quiz 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 quiz default is used."/>
<FIELD NAME="attempts" TYPE="int" LENGTH="6" NOTNULL="false" SEQUENCE="false"/>
<FIELD NAME="password" TYPE="char" LENGTH="255" NOTNULL="false" SEQUENCE="false" COMMENT="Quiz password. Can be null, in which case the quiz default is used."/>
</FIELDS>
<KEYS>
<KEY NAME="primary" TYPE="primary" FIELDS="id"/>
<KEY NAME="quiz" TYPE="foreign" FIELDS="quiz" REFTABLE="quiz" 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>
<TABLE NAME="quiz_attempts" COMMENT="Stores users attempts at quizzes.">
<FIELDS>
<FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true" COMMENT="Standard Moodle primary key."/>
<FIELD NAME="quiz" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="Foreign key reference to the quiz that was attempted."/>
<FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="Foreign key reference to the user whose attempt this is."/>
<FIELD NAME="attempt" TYPE="int" LENGTH="6" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="Sequentially numbers this student's attempts at this quiz."/>
<FIELD NAME="uniqueid" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="Foreign key reference to the question_usage that holds the details of the the question_attempts that make up this quiz attempt."/>
<FIELD NAME="layout" TYPE="text" NOTNULL="true" SEQUENCE="false"/>
<FIELD NAME="currentpage" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="preview" TYPE="int" LENGTH="3" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="state" TYPE="char" LENGTH="16" NOTNULL="true" DEFAULT="inprogress" SEQUENCE="false" COMMENT="The current state of the attempts. 'inprogress', 'overdue', 'finished' or 'abandoned'."/>
<FIELD NAME="timestart" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="Time when the attempt was started."/>
<FIELD NAME="timefinish" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="Time when the attempt was submitted. 0 if the attempt has not been submitted yet."/>
<FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="Last modified time."/>
<FIELD NAME="timemodifiedoffline" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="Last modified time via web services."/>
<FIELD NAME="timecheckstate" TYPE="int" LENGTH="10" NOTNULL="false" DEFAULT="0" SEQUENCE="false" COMMENT="Next time quiz cron should check attempt for state changes. NULL means never check."/>
<FIELD NAME="sumgrades" TYPE="number" LENGTH="10" NOTNULL="false" SEQUENCE="false" DECIMALS="5" COMMENT="Total marks for this attempt."/>
</FIELDS>
<KEYS>
<KEY NAME="primary" TYPE="primary" FIELDS="id"/>
<KEY NAME="quiz" TYPE="foreign" FIELDS="quiz" REFTABLE="quiz" REFFIELDS="id"/>
<KEY NAME="userid" TYPE="foreign" FIELDS="userid" REFTABLE="user" REFFIELDS="id"/>
<KEY NAME="uniqueid" TYPE="foreign-unique" FIELDS="uniqueid" REFTABLE="question_usages" REFFIELDS="id"/>
</KEYS>
<INDEXES>
<INDEX NAME="quiz-userid-attempt" UNIQUE="true" FIELDS="quiz, userid, attempt"/>
<INDEX NAME="state-timecheckstate" UNIQUE="false" FIELDS="state, timecheckstate"/>
</INDEXES>
</TABLE>
<TABLE NAME="quiz_grades" COMMENT="Stores the overall grade for each user on the quiz, based on their various attempts and the quiz.grademethod setting.">
<FIELDS>
<FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true"/>
<FIELD NAME="quiz" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="Foreign key references quiz.id."/>
<FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="Foreign key references user.id."/>
<FIELD NAME="grade" TYPE="number" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" DECIMALS="5" COMMENT="The overall grade from the quiz. Not affected by overrides in the gradebook."/>
<FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="The last time this grade changed."/>
</FIELDS>
<KEYS>
<KEY NAME="primary" TYPE="primary" FIELDS="id"/>
<KEY NAME="quiz" TYPE="foreign" FIELDS="quiz" REFTABLE="quiz" REFFIELDS="id"/>
</KEYS>
<INDEXES>
<INDEX NAME="userid" UNIQUE="false" FIELDS="userid"/>
</INDEXES>
</TABLE>
<TABLE NAME="quiz_reports" COMMENT="Lists all the installed quiz reports and their display order and so on. No need to worry about deleting old records. Only records with an equivalent directory are displayed.">
<FIELDS>
<FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true"/>
<FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="false" SEQUENCE="false" COMMENT="name of the report, same as the directory name"/>
<FIELD NAME="displayorder" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="false" COMMENT="display order for report tabs"/>
<FIELD NAME="capability" TYPE="char" LENGTH="255" NOTNULL="false" SEQUENCE="false" COMMENT="Capability required to see this report. May be blank which means use the default of mod/quiz:viewreport. This is used when deciding which tabs to render."/>
</FIELDS>
<KEYS>
<KEY NAME="primary" TYPE="primary" FIELDS="id"/>
</KEYS>
<INDEXES>
<INDEX NAME="name" UNIQUE="true" FIELDS="name"/>
</INDEXES>
</TABLE>
<TABLE NAME="quiz_slot_tags" COMMENT="Stores data about the tags that a question must have so that it can be selected for a quiz slot (when having a random question by tags on that slot).">
<FIELDS>
<FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true"/>
<FIELD NAME="slotid" TYPE="int" LENGTH="10" NOTNULL="false" SEQUENCE="false" COMMENT="The quiz slot that this tag belong to"/>
<FIELD NAME="tagid" TYPE="int" LENGTH="10" NOTNULL="false" SEQUENCE="false"/>
<FIELD NAME="tagname" TYPE="char" LENGTH="255" NOTNULL="false" SEQUENCE="false" COMMENT="The tag name is to be stored as well, so we won't lose data if the tag is removed from Moodle (A tag with the same name might be added in future)."/>
</FIELDS>
<KEYS>
<KEY NAME="primary" TYPE="primary" FIELDS="id"/>
<KEY NAME="slotid" TYPE="foreign" FIELDS="slotid" REFTABLE="quiz_slots" REFFIELDS="id"/>
<KEY NAME="tagid" TYPE="foreign" FIELDS="tagid" REFTABLE="tag" REFFIELDS="id"/>
</KEYS>
</TABLE>
</TABLES>
</XMLDB>