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1798 lines (1725 loc) · 86.5 KB
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<html>
<head>
<title>Schema for database 'edu'</title>
<meta http-equiv="Content-Type" content="text/html; charset=utf8">
<style type="text/css">
<!--
.toptext {font-family: verdana; color: #000000; font-size: 20px; font-weight: 600; width:550; background-color:#999999; }
.normal { font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 11px; font-weight: normal; color: #000000}
.fieldheader {font-family: verdana; color: #000000; font-size: 12px; font-weight: 600; width:550; background-color:#c0c0c0; }
.fieldcolumn {font-family: verdana; color: #000000; font-size: 10px; font-weight: 600; width:550; background-color:#ffffff; }
.header {background-color: #ECE9D8;}
.headtext {font-family: verdana; color: #000000; font-size: 12; font-weight: 600; width:550; background-color:#999999; }
BR.page {page-break-after: always}
//-->
</style>
</head>
<body bgcolor='#ffffff' topmargin="0">
<table width="100%" border="0" cellspacing="0" cellpadding="5">
<tr>
<td class="toptext"><p align="center">edu</td>
</tr>
</table>
<a name="header"> </a><ul>
<li><a href="#accounts"><p class="normal">accounts</a></li>
<li><a href="#ascored_l2"><p class="normal">ascored_l2</a></li>
<li><a href="#ascores_l1"><p class="normal">ascores_l1</a></li>
<li><a href="#question_list"><p class="normal">question_list</a></li>
<li><a href="#question_tags"><p class="normal">question_tags</a></li>
<li><a href="#question_type"><p class="normal">question_type</a></li>
<li><a href="#questions"><p class="normal">questions</a></li>
<li><a href="#quizzes"><p class="normal">quizzes</a></li>
<li><a href="#results"><p class="normal">results</a></li>
<li><a href="#results_desc"><p class="normal">results_desc</a></li>
<li><a href="#section_l1"><p class="normal">section_l1</a></li>
<li><a href="#section_l2"><p class="normal">section_l2</a></li>
<li><a href="#section_l3"><p class="normal">section_l3</a></li>
</ul>
<br class=page>
<p><a name='accounts'> </a>
<table width="100%" border="0" cellspacing="0" cellpadding="3">
<tr>
<td class="headtext" width="30%" align="left" valign="top">accounts</td>
<td> </td>
<tr>
</table>
<table width="100%" border="0" cellspacing="0" cellpadding="3">
<tr>
<td class="fieldheader" width="100%" align="left" valign="top">Fields</td>
</tr>
</table>
<table width="100%" cellspacing="0" cellapdding="2" border="1">
<tr>
<td align="center" valign="top" class="fieldcolumn">Field</td>
<td align="center" valign="top" class="fieldcolumn">Type</td>
<td align="center" valign="top" class="fieldcolumn">Collation</td>
<td align="center" valign="top" class="fieldcolumn">Null</td>
<td align="center" valign="top" class="fieldcolumn">Key</td>
<td align="center" valign="top" class="fieldcolumn">Default</td>
<td align="center" valign="top" class="fieldcolumn">Extra</td>
<td align="center" valign="top" class="fieldcolumn">Privileges</td>
<td align="center" valign="top" class="fieldcolumn">Comment</td>
</tr>
<tr>
<td align="left" valign="top"><p class="normal">id</td>
<td align="left" valign="top"><p class="normal">int(11)</td>
<td align="left" valign="top"><p class="normal">(NULL)</td>
<td align="left" valign="top"><p class="normal">NO</td>
<td align="left" valign="top"><p class="normal">PRI</td>
<td align="left" valign="top"><p class="normal">(NULL)</td>
<td align="left" valign="top"><p class="normal">auto_increment</td>
<td align="left" valign="top"><p class="normal">select,insert,update,references</td>
<td align="left" valign="top"><p class="normal"> </td>
</tr>
<tr>
<td align="left" valign="top"><p class="normal">username</td>
<td align="left" valign="top"><p class="normal">varchar(20)</td>
<td align="left" valign="top"><p class="normal">ascii_general_ci</td>
<td align="left" valign="top"><p class="normal">YES</td>
<td align="left" valign="top"><p class="normal"> </td>
<td align="left" valign="top"><p class="normal">(NULL)</td>
<td align="left" valign="top"><p class="normal"> </td>
<td align="left" valign="top"><p class="normal">select,insert,update,references</td>
<td align="left" valign="top"><p class="normal"> </td>
</tr>
<tr>
<td align="left" valign="top"><p class="normal">password</td>
<td align="left" valign="top"><p class="normal">varchar(20)</td>
<td align="left" valign="top"><p class="normal">ascii_general_ci</td>
<td align="left" valign="top"><p class="normal">YES</td>
<td align="left" valign="top"><p class="normal"> </td>
<td align="left" valign="top"><p class="normal">(NULL)</td>
<td align="left" valign="top"><p class="normal"> </td>
<td align="left" valign="top"><p class="normal">select,insert,update,references</td>
<td align="left" valign="top"><p class="normal"> </td>
</tr>
<tr>
<td align="left" valign="top"><p class="normal">firstname</td>
<td align="left" valign="top"><p class="normal">varchar(20)</td>
<td align="left" valign="top"><p class="normal">ascii_general_ci</td>
<td align="left" valign="top"><p class="normal">YES</td>
<td align="left" valign="top"><p class="normal"> </td>
<td align="left" valign="top"><p class="normal">(NULL)</td>
<td align="left" valign="top"><p class="normal"> </td>
<td align="left" valign="top"><p class="normal">select,insert,update,references</td>
<td align="left" valign="top"><p class="normal"> </td>
</tr>
<tr>
<td align="left" valign="top"><p class="normal">lastname</td>
<td align="left" valign="top"><p class="normal">varchar(20)</td>
<td align="left" valign="top"><p class="normal">ascii_general_ci</td>
<td align="left" valign="top"><p class="normal">YES</td>
<td align="left" valign="top"><p class="normal"> </td>
<td align="left" valign="top"><p class="normal">(NULL)</td>
<td align="left" valign="top"><p class="normal"> </td>
<td align="left" valign="top"><p class="normal">select,insert,update,references</td>
<td align="left" valign="top"><p class="normal"> </td>
</tr>
<tr>
<td align="left" valign="top"><p class="normal">email</td>
<td align="left" valign="top"><p class="normal">varchar(30)</td>
<td align="left" valign="top"><p class="normal">ascii_general_ci</td>
<td align="left" valign="top"><p class="normal">YES</td>
<td align="left" valign="top"><p class="normal"> </td>
<td align="left" valign="top"><p class="normal">(NULL)</td>
<td align="left" valign="top"><p class="normal"> </td>
<td align="left" valign="top"><p class="normal">select,insert,update,references</td>
<td align="left" valign="top"><p class="normal"> </td>
</tr>
<tr>
<td align="left" valign="top"><p class="normal">ascore_l1</td>
<td align="left" valign="top"><p class="normal">varchar(200)</td>
<td align="left" valign="top"><p class="normal">ascii_general_ci</td>
<td align="left" valign="top"><p class="normal">YES</td>
<td align="left" valign="top"><p class="normal"> </td>
<td align="left" valign="top"><p class="normal">(NULL)</td>
<td align="left" valign="top"><p class="normal"> </td>
<td align="left" valign="top"><p class="normal">select,insert,update,references</td>
<td align="left" valign="top"><p class="normal">separated by ||</td>
</tr>
<tr>
<td align="left" valign="top"><p class="normal">ascore_l2</td>
<td align="left" valign="top"><p class="normal">varchar(200)</td>
<td align="left" valign="top"><p class="normal">ascii_general_ci</td>
<td align="left" valign="top"><p class="normal">YES</td>
<td align="left" valign="top"><p class="normal"> </td>
<td align="left" valign="top"><p class="normal">(NULL)</td>
<td align="left" valign="top"><p class="normal"> </td>
<td align="left" valign="top"><p class="normal">select,insert,update,references</td>
<td align="left" valign="top"><p class="normal">separated by ||</td>
</tr>
</table>
<table width="100%" border="0" cellspacing="0" cellpadding="3">
<tr>
<td class="fieldheader" width="100%" align="left" valign="top">Indexes</td>
</tr>
</table>
<table width="100%" cellspacing="0" cellapdding="2" border="1">
<tr>
<td align="left" valign="top" class="fieldcolumn">Table</td>
<td align="left" valign="top" class="fieldcolumn">Non<br>unique</td>
<td align="left" valign="top" class="fieldcolumn">Key<br>name</td>
<td align="left" valign="top" class="fieldcolumn">Seq<br>in<br>index</td>
<td align="left" valign="top" class="fieldcolumn">Column<br>name</td>
<td align="left" valign="top" class="fieldcolumn">Collation</td>
<td align="left" valign="top" class="fieldcolumn">Cardinality</td>
<td align="left" valign="top" class="fieldcolumn">Sub<br>part</td>
<td align="left" valign="top" class="fieldcolumn">Packed</td>
<td align="left" valign="top" class="fieldcolumn">Null</td>
<td align="left" valign="top" class="fieldcolumn">Index<br>type</td>
<td align="left" valign="top" class="fieldcolumn">Comment</td>
<td align="left" valign="top" class="fieldcolumn">Index<br>comment</td>
</tr>
<tr>
<td align="left" valign="top"><p class="normal">accounts</td>
<td align="left" valign="top"><p class="normal">0</td>
<td align="left" valign="top"><p class="normal">PRIMARY</td>
<td align="left" valign="top"><p class="normal">1</td>
<td align="left" valign="top"><p class="normal">id</td>
<td align="left" valign="top"><p class="normal">A</td>
<td align="left" valign="top"><p class="normal">2</td>
<td align="left" valign="top"><p class="normal">(NULL)</td>
<td align="left" valign="top"><p class="normal">(NULL)</td>
<td align="left" valign="top"><p class="normal"> </td>
<td align="left" valign="top"><p class="normal">BTREE</td>
<td align="left" valign="top"><p class="normal"> </td>
<td align="left" valign="top"><p class="normal"> </td>
</tr>
</table>
<a href="#header"><p class="normal">Back</a><br class=page>
<p><a name='ascored_l2'> </a>
<table width="100%" border="0" cellspacing="0" cellpadding="3">
<tr>
<td class="headtext" width="30%" align="left" valign="top">ascored_l2</td>
<td> </td>
<tr>
</table>
<table width="100%" border="0" cellspacing="0" cellpadding="3">
<tr>
<td class="fieldheader" width="100%" align="left" valign="top">Fields</td>
</tr>
</table>
<table width="100%" cellspacing="0" cellapdding="2" border="1">
<tr>
<td align="center" valign="top" class="fieldcolumn">Field</td>
<td align="center" valign="top" class="fieldcolumn">Type</td>
<td align="center" valign="top" class="fieldcolumn">Collation</td>
<td align="center" valign="top" class="fieldcolumn">Null</td>
<td align="center" valign="top" class="fieldcolumn">Key</td>
<td align="center" valign="top" class="fieldcolumn">Default</td>
<td align="center" valign="top" class="fieldcolumn">Extra</td>
<td align="center" valign="top" class="fieldcolumn">Privileges</td>
<td align="center" valign="top" class="fieldcolumn">Comment</td>
</tr>
<tr>
<td align="left" valign="top"><p class="normal">id</td>
<td align="left" valign="top"><p class="normal">int(11)</td>
<td align="left" valign="top"><p class="normal">(NULL)</td>
<td align="left" valign="top"><p class="normal">NO</td>
<td align="left" valign="top"><p class="normal">PRI</td>
<td align="left" valign="top"><p class="normal">(NULL)</td>
<td align="left" valign="top"><p class="normal">auto_increment</td>
<td align="left" valign="top"><p class="normal">select,insert,update,references</td>
<td align="left" valign="top"><p class="normal"> </td>
</tr>
<tr>
<td align="left" valign="top"><p class="normal">account_id</td>
<td align="left" valign="top"><p class="normal">int(11)</td>
<td align="left" valign="top"><p class="normal">(NULL)</td>
<td align="left" valign="top"><p class="normal">YES</td>
<td align="left" valign="top"><p class="normal"> </td>
<td align="left" valign="top"><p class="normal">(NULL)</td>
<td align="left" valign="top"><p class="normal"> </td>
<td align="left" valign="top"><p class="normal">select,insert,update,references</td>
<td align="left" valign="top"><p class="normal"> </td>
</tr>
<tr>
<td align="left" valign="top"><p class="normal">l2_id</td>
<td align="left" valign="top"><p class="normal">int(11)</td>
<td align="left" valign="top"><p class="normal">(NULL)</td>
<td align="left" valign="top"><p class="normal">YES</td>
<td align="left" valign="top"><p class="normal"> </td>
<td align="left" valign="top"><p class="normal">(NULL)</td>
<td align="left" valign="top"><p class="normal"> </td>
<td align="left" valign="top"><p class="normal">select,insert,update,references</td>
<td align="left" valign="top"><p class="normal"> </td>
</tr>
<tr>
<td align="left" valign="top"><p class="normal">time</td>
<td align="left" valign="top"><p class="normal">timestamp</td>
<td align="left" valign="top"><p class="normal">(NULL)</td>
<td align="left" valign="top"><p class="normal">NO</td>
<td align="left" valign="top"><p class="normal"> </td>
<td align="left" valign="top"><p class="normal">CURRENT_TIMESTAMP</td>
<td align="left" valign="top"><p class="normal">on update CURRENT_TIMESTAMP</td>
<td align="left" valign="top"><p class="normal">select,insert,update,references</td>
<td align="left" valign="top"><p class="normal"> </td>
</tr>
</table>
<table width="100%" border="0" cellspacing="0" cellpadding="3">
<tr>
<td class="fieldheader" width="100%" align="left" valign="top">Indexes</td>
</tr>
</table>
<table width="100%" cellspacing="0" cellapdding="2" border="1">
<tr>
<td align="left" valign="top" class="fieldcolumn">Table</td>
<td align="left" valign="top" class="fieldcolumn">Non<br>unique</td>
<td align="left" valign="top" class="fieldcolumn">Key<br>name</td>
<td align="left" valign="top" class="fieldcolumn">Seq<br>in<br>index</td>
<td align="left" valign="top" class="fieldcolumn">Column<br>name</td>
<td align="left" valign="top" class="fieldcolumn">Collation</td>
<td align="left" valign="top" class="fieldcolumn">Cardinality</td>
<td align="left" valign="top" class="fieldcolumn">Sub<br>part</td>
<td align="left" valign="top" class="fieldcolumn">Packed</td>
<td align="left" valign="top" class="fieldcolumn">Null</td>
<td align="left" valign="top" class="fieldcolumn">Index<br>type</td>
<td align="left" valign="top" class="fieldcolumn">Comment</td>
<td align="left" valign="top" class="fieldcolumn">Index<br>comment</td>
</tr>
<tr>
<td align="left" valign="top"><p class="normal">ascored_l2</td>
<td align="left" valign="top"><p class="normal">0</td>
<td align="left" valign="top"><p class="normal">PRIMARY</td>
<td align="left" valign="top"><p class="normal">1</td>
<td align="left" valign="top"><p class="normal">id</td>
<td align="left" valign="top"><p class="normal">A</td>
<td align="left" valign="top"><p class="normal">0</td>
<td align="left" valign="top"><p class="normal">(NULL)</td>
<td align="left" valign="top"><p class="normal">(NULL)</td>
<td align="left" valign="top"><p class="normal"> </td>
<td align="left" valign="top"><p class="normal">BTREE</td>
<td align="left" valign="top"><p class="normal"> </td>
<td align="left" valign="top"><p class="normal"> </td>
</tr>
</table>
<a href="#header"><p class="normal">Back</a><br class=page>
<p><a name='ascores_l1'> </a>
<table width="100%" border="0" cellspacing="0" cellpadding="3">
<tr>
<td class="headtext" width="30%" align="left" valign="top">ascores_l1</td>
<td> </td>
<tr>
</table>
<table width="100%" border="0" cellspacing="0" cellpadding="3">
<tr>
<td class="fieldheader" width="100%" align="left" valign="top">Fields</td>
</tr>
</table>
<table width="100%" cellspacing="0" cellapdding="2" border="1">
<tr>
<td align="center" valign="top" class="fieldcolumn">Field</td>
<td align="center" valign="top" class="fieldcolumn">Type</td>
<td align="center" valign="top" class="fieldcolumn">Collation</td>
<td align="center" valign="top" class="fieldcolumn">Null</td>
<td align="center" valign="top" class="fieldcolumn">Key</td>
<td align="center" valign="top" class="fieldcolumn">Default</td>
<td align="center" valign="top" class="fieldcolumn">Extra</td>
<td align="center" valign="top" class="fieldcolumn">Privileges</td>
<td align="center" valign="top" class="fieldcolumn">Comment</td>
</tr>
<tr>
<td align="left" valign="top"><p class="normal">id</td>
<td align="left" valign="top"><p class="normal">int(11)</td>
<td align="left" valign="top"><p class="normal">(NULL)</td>
<td align="left" valign="top"><p class="normal">NO</td>
<td align="left" valign="top"><p class="normal">PRI</td>
<td align="left" valign="top"><p class="normal">(NULL)</td>
<td align="left" valign="top"><p class="normal">auto_increment</td>
<td align="left" valign="top"><p class="normal">select,insert,update,references</td>
<td align="left" valign="top"><p class="normal"> </td>
</tr>
<tr>
<td align="left" valign="top"><p class="normal">account_id</td>
<td align="left" valign="top"><p class="normal">int(11)</td>
<td align="left" valign="top"><p class="normal">(NULL)</td>
<td align="left" valign="top"><p class="normal">YES</td>
<td align="left" valign="top"><p class="normal"> </td>
<td align="left" valign="top"><p class="normal">(NULL)</td>
<td align="left" valign="top"><p class="normal"> </td>
<td align="left" valign="top"><p class="normal">select,insert,update,references</td>
<td align="left" valign="top"><p class="normal"> </td>
</tr>
<tr>
<td align="left" valign="top"><p class="normal">l1_id</td>
<td align="left" valign="top"><p class="normal">int(11)</td>
<td align="left" valign="top"><p class="normal">(NULL)</td>
<td align="left" valign="top"><p class="normal">YES</td>
<td align="left" valign="top"><p class="normal"> </td>
<td align="left" valign="top"><p class="normal">(NULL)</td>
<td align="left" valign="top"><p class="normal"> </td>
<td align="left" valign="top"><p class="normal">select,insert,update,references</td>
<td align="left" valign="top"><p class="normal"> </td>
</tr>
<tr>
<td align="left" valign="top"><p class="normal">time</td>
<td align="left" valign="top"><p class="normal">timestamp</td>
<td align="left" valign="top"><p class="normal">(NULL)</td>
<td align="left" valign="top"><p class="normal">NO</td>
<td align="left" valign="top"><p class="normal"> </td>
<td align="left" valign="top"><p class="normal">CURRENT_TIMESTAMP</td>
<td align="left" valign="top"><p class="normal">on update CURRENT_TIMESTAMP</td>
<td align="left" valign="top"><p class="normal">select,insert,update,references</td>
<td align="left" valign="top"><p class="normal"> </td>
</tr>
</table>
<table width="100%" border="0" cellspacing="0" cellpadding="3">
<tr>
<td class="fieldheader" width="100%" align="left" valign="top">Indexes</td>
</tr>
</table>
<table width="100%" cellspacing="0" cellapdding="2" border="1">
<tr>
<td align="left" valign="top" class="fieldcolumn">Table</td>
<td align="left" valign="top" class="fieldcolumn">Non<br>unique</td>
<td align="left" valign="top" class="fieldcolumn">Key<br>name</td>
<td align="left" valign="top" class="fieldcolumn">Seq<br>in<br>index</td>
<td align="left" valign="top" class="fieldcolumn">Column<br>name</td>
<td align="left" valign="top" class="fieldcolumn">Collation</td>
<td align="left" valign="top" class="fieldcolumn">Cardinality</td>
<td align="left" valign="top" class="fieldcolumn">Sub<br>part</td>
<td align="left" valign="top" class="fieldcolumn">Packed</td>
<td align="left" valign="top" class="fieldcolumn">Null</td>
<td align="left" valign="top" class="fieldcolumn">Index<br>type</td>
<td align="left" valign="top" class="fieldcolumn">Comment</td>
<td align="left" valign="top" class="fieldcolumn">Index<br>comment</td>
</tr>
<tr>
<td align="left" valign="top"><p class="normal">ascores_l1</td>
<td align="left" valign="top"><p class="normal">0</td>
<td align="left" valign="top"><p class="normal">PRIMARY</td>
<td align="left" valign="top"><p class="normal">1</td>
<td align="left" valign="top"><p class="normal">id</td>
<td align="left" valign="top"><p class="normal">A</td>
<td align="left" valign="top"><p class="normal">0</td>
<td align="left" valign="top"><p class="normal">(NULL)</td>
<td align="left" valign="top"><p class="normal">(NULL)</td>
<td align="left" valign="top"><p class="normal"> </td>
<td align="left" valign="top"><p class="normal">BTREE</td>
<td align="left" valign="top"><p class="normal"> </td>
<td align="left" valign="top"><p class="normal"> </td>
</tr>
</table>
<a href="#header"><p class="normal">Back</a><br class=page>
<p><a name='question_list'> </a>
<table width="100%" border="0" cellspacing="0" cellpadding="3">
<tr>
<td class="headtext" width="30%" align="left" valign="top">question_list</td>
<td> </td>
<tr>
</table>
<table width="100%" border="0" cellspacing="0" cellpadding="3">
<tr>
<td class="fieldheader" width="100%" align="left" valign="top">Fields</td>
</tr>
</table>
<table width="100%" cellspacing="0" cellapdding="2" border="1">
<tr>
<td align="center" valign="top" class="fieldcolumn">Field</td>
<td align="center" valign="top" class="fieldcolumn">Type</td>
<td align="center" valign="top" class="fieldcolumn">Collation</td>
<td align="center" valign="top" class="fieldcolumn">Null</td>
<td align="center" valign="top" class="fieldcolumn">Key</td>
<td align="center" valign="top" class="fieldcolumn">Default</td>
<td align="center" valign="top" class="fieldcolumn">Extra</td>
<td align="center" valign="top" class="fieldcolumn">Privileges</td>
<td align="center" valign="top" class="fieldcolumn">Comment</td>
</tr>
<tr>
<td align="left" valign="top"><p class="normal">id</td>
<td align="left" valign="top"><p class="normal">int(11)</td>
<td align="left" valign="top"><p class="normal">(NULL)</td>
<td align="left" valign="top"><p class="normal">NO</td>
<td align="left" valign="top"><p class="normal">PRI</td>
<td align="left" valign="top"><p class="normal">(NULL)</td>
<td align="left" valign="top"><p class="normal">auto_increment</td>
<td align="left" valign="top"><p class="normal">select,insert,update,references</td>
<td align="left" valign="top"><p class="normal"> </td>
</tr>
<tr>
<td align="left" valign="top"><p class="normal">paragraph</td>
<td align="left" valign="top"><p class="normal">varchar(50)</td>
<td align="left" valign="top"><p class="normal">utf8_unicode_ci</td>
<td align="left" valign="top"><p class="normal">YES</td>
<td align="left" valign="top"><p class="normal"> </td>
<td align="left" valign="top"><p class="normal">(NULL)</td>
<td align="left" valign="top"><p class="normal"> </td>
<td align="left" valign="top"><p class="normal">select,insert,update,references</td>
<td align="left" valign="top"><p class="normal"> </td>
</tr>
<tr>
<td align="left" valign="top"><p class="normal">question_count</td>
<td align="left" valign="top"><p class="normal">int(2)</td>
<td align="left" valign="top"><p class="normal">(NULL)</td>
<td align="left" valign="top"><p class="normal">YES</td>
<td align="left" valign="top"><p class="normal"> </td>
<td align="left" valign="top"><p class="normal">(NULL)</td>
<td align="left" valign="top"><p class="normal"> </td>
<td align="left" valign="top"><p class="normal">select,insert,update,references</td>
<td align="left" valign="top"><p class="normal"> </td>
</tr>
<tr>
<td align="left" valign="top"><p class="normal">question_id_list</td>
<td align="left" valign="top"><p class="normal">varchar(30)</td>
<td align="left" valign="top"><p class="normal">utf8_unicode_ci</td>
<td align="left" valign="top"><p class="normal">YES</td>
<td align="left" valign="top"><p class="normal"> </td>
<td align="left" valign="top"><p class="normal">(NULL)</td>
<td align="left" valign="top"><p class="normal"> </td>
<td align="left" valign="top"><p class="normal">select,insert,update,references</td>
<td align="left" valign="top"><p class="normal">question ids separated by ||</td>
</tr>
<tr>
<td align="left" valign="top"><p class="normal">difficulty</td>
<td align="left" valign="top"><p class="normal">int(1)</td>
<td align="left" valign="top"><p class="normal">(NULL)</td>
<td align="left" valign="top"><p class="normal">YES</td>
<td align="left" valign="top"><p class="normal"> </td>
<td align="left" valign="top"><p class="normal">(NULL)</td>
<td align="left" valign="top"><p class="normal"> </td>
<td align="left" valign="top"><p class="normal">select,insert,update,references</td>
<td align="left" valign="top"><p class="normal"> </td>
</tr>
</table>
<table width="100%" border="0" cellspacing="0" cellpadding="3">
<tr>
<td class="fieldheader" width="100%" align="left" valign="top">Indexes</td>
</tr>
</table>
<table width="100%" cellspacing="0" cellapdding="2" border="1">
<tr>
<td align="left" valign="top" class="fieldcolumn">Table</td>
<td align="left" valign="top" class="fieldcolumn">Non<br>unique</td>
<td align="left" valign="top" class="fieldcolumn">Key<br>name</td>
<td align="left" valign="top" class="fieldcolumn">Seq<br>in<br>index</td>
<td align="left" valign="top" class="fieldcolumn">Column<br>name</td>
<td align="left" valign="top" class="fieldcolumn">Collation</td>
<td align="left" valign="top" class="fieldcolumn">Cardinality</td>
<td align="left" valign="top" class="fieldcolumn">Sub<br>part</td>
<td align="left" valign="top" class="fieldcolumn">Packed</td>
<td align="left" valign="top" class="fieldcolumn">Null</td>
<td align="left" valign="top" class="fieldcolumn">Index<br>type</td>
<td align="left" valign="top" class="fieldcolumn">Comment</td>
<td align="left" valign="top" class="fieldcolumn">Index<br>comment</td>
</tr>
<tr>
<td align="left" valign="top"><p class="normal">question_list</td>
<td align="left" valign="top"><p class="normal">0</td>
<td align="left" valign="top"><p class="normal">PRIMARY</td>
<td align="left" valign="top"><p class="normal">1</td>
<td align="left" valign="top"><p class="normal">id</td>
<td align="left" valign="top"><p class="normal">A</td>
<td align="left" valign="top"><p class="normal">1</td>
<td align="left" valign="top"><p class="normal">(NULL)</td>
<td align="left" valign="top"><p class="normal">(NULL)</td>
<td align="left" valign="top"><p class="normal"> </td>
<td align="left" valign="top"><p class="normal">BTREE</td>
<td align="left" valign="top"><p class="normal"> </td>
<td align="left" valign="top"><p class="normal"> </td>
</tr>
</table>
<a href="#header"><p class="normal">Back</a><br class=page>
<p><a name='question_tags'> </a>
<table width="100%" border="0" cellspacing="0" cellpadding="3">
<tr>
<td class="headtext" width="30%" align="left" valign="top">question_tags</td>
<td> </td>
<tr>
</table>
<table width="100%" border="0" cellspacing="0" cellpadding="3">
<tr>
<td class="fieldheader" width="100%" align="left" valign="top">Fields</td>
</tr>
</table>
<table width="100%" cellspacing="0" cellapdding="2" border="1">
<tr>
<td align="center" valign="top" class="fieldcolumn">Field</td>
<td align="center" valign="top" class="fieldcolumn">Type</td>
<td align="center" valign="top" class="fieldcolumn">Collation</td>
<td align="center" valign="top" class="fieldcolumn">Null</td>
<td align="center" valign="top" class="fieldcolumn">Key</td>
<td align="center" valign="top" class="fieldcolumn">Default</td>
<td align="center" valign="top" class="fieldcolumn">Extra</td>
<td align="center" valign="top" class="fieldcolumn">Privileges</td>
<td align="center" valign="top" class="fieldcolumn">Comment</td>
</tr>
<tr>
<td align="left" valign="top"><p class="normal">id</td>
<td align="left" valign="top"><p class="normal">int(11)</td>
<td align="left" valign="top"><p class="normal">(NULL)</td>
<td align="left" valign="top"><p class="normal">NO</td>
<td align="left" valign="top"><p class="normal">PRI</td>
<td align="left" valign="top"><p class="normal">(NULL)</td>
<td align="left" valign="top"><p class="normal">auto_increment</td>
<td align="left" valign="top"><p class="normal">select,insert,update,references</td>
<td align="left" valign="top"><p class="normal"> </td>
</tr>
<tr>
<td align="left" valign="top"><p class="normal">name</td>
<td align="left" valign="top"><p class="normal">varchar(30)</td>
<td align="left" valign="top"><p class="normal">utf8_unicode_ci</td>
<td align="left" valign="top"><p class="normal">YES</td>
<td align="left" valign="top"><p class="normal"> </td>
<td align="left" valign="top"><p class="normal">(NULL)</td>
<td align="left" valign="top"><p class="normal"> </td>
<td align="left" valign="top"><p class="normal">select,insert,update,references</td>
<td align="left" valign="top"><p class="normal"> </td>
</tr>
</table>
<table width="100%" border="0" cellspacing="0" cellpadding="3">
<tr>
<td class="fieldheader" width="100%" align="left" valign="top">Indexes</td>
</tr>
</table>
<table width="100%" cellspacing="0" cellapdding="2" border="1">
<tr>
<td align="left" valign="top" class="fieldcolumn">Table</td>
<td align="left" valign="top" class="fieldcolumn">Non<br>unique</td>
<td align="left" valign="top" class="fieldcolumn">Key<br>name</td>
<td align="left" valign="top" class="fieldcolumn">Seq<br>in<br>index</td>
<td align="left" valign="top" class="fieldcolumn">Column<br>name</td>
<td align="left" valign="top" class="fieldcolumn">Collation</td>
<td align="left" valign="top" class="fieldcolumn">Cardinality</td>
<td align="left" valign="top" class="fieldcolumn">Sub<br>part</td>
<td align="left" valign="top" class="fieldcolumn">Packed</td>
<td align="left" valign="top" class="fieldcolumn">Null</td>
<td align="left" valign="top" class="fieldcolumn">Index<br>type</td>
<td align="left" valign="top" class="fieldcolumn">Comment</td>
<td align="left" valign="top" class="fieldcolumn">Index<br>comment</td>
</tr>
<tr>
<td align="left" valign="top"><p class="normal">question_tags</td>
<td align="left" valign="top"><p class="normal">0</td>
<td align="left" valign="top"><p class="normal">PRIMARY</td>
<td align="left" valign="top"><p class="normal">1</td>
<td align="left" valign="top"><p class="normal">id</td>
<td align="left" valign="top"><p class="normal">A</td>
<td align="left" valign="top"><p class="normal">2</td>
<td align="left" valign="top"><p class="normal">(NULL)</td>
<td align="left" valign="top"><p class="normal">(NULL)</td>
<td align="left" valign="top"><p class="normal"> </td>
<td align="left" valign="top"><p class="normal">BTREE</td>
<td align="left" valign="top"><p class="normal"> </td>
<td align="left" valign="top"><p class="normal"> </td>
</tr>
</table>
<a href="#header"><p class="normal">Back</a><br class=page>
<p><a name='question_type'> </a>
<table width="100%" border="0" cellspacing="0" cellpadding="3">
<tr>
<td class="headtext" width="30%" align="left" valign="top">question_type</td>
<td> </td>
<tr>
</table>
<table width="100%" border="0" cellspacing="0" cellpadding="3">
<tr>
<td class="fieldheader" width="100%" align="left" valign="top">Fields</td>
</tr>
</table>
<table width="100%" cellspacing="0" cellapdding="2" border="1">
<tr>
<td align="center" valign="top" class="fieldcolumn">Field</td>
<td align="center" valign="top" class="fieldcolumn">Type</td>
<td align="center" valign="top" class="fieldcolumn">Collation</td>
<td align="center" valign="top" class="fieldcolumn">Null</td>
<td align="center" valign="top" class="fieldcolumn">Key</td>
<td align="center" valign="top" class="fieldcolumn">Default</td>
<td align="center" valign="top" class="fieldcolumn">Extra</td>
<td align="center" valign="top" class="fieldcolumn">Privileges</td>
<td align="center" valign="top" class="fieldcolumn">Comment</td>
</tr>
<tr>
<td align="left" valign="top"><p class="normal">id</td>
<td align="left" valign="top"><p class="normal">int(11)</td>
<td align="left" valign="top"><p class="normal">(NULL)</td>
<td align="left" valign="top"><p class="normal">NO</td>
<td align="left" valign="top"><p class="normal">PRI</td>
<td align="left" valign="top"><p class="normal">(NULL)</td>
<td align="left" valign="top"><p class="normal">auto_increment</td>
<td align="left" valign="top"><p class="normal">select,insert,update,references</td>
<td align="left" valign="top"><p class="normal"> </td>
</tr>
<tr>
<td align="left" valign="top"><p class="normal">type</td>
<td align="left" valign="top"><p class="normal">varchar(20)</td>
<td align="left" valign="top"><p class="normal">utf8_unicode_ci</td>
<td align="left" valign="top"><p class="normal">YES</td>
<td align="left" valign="top"><p class="normal"> </td>
<td align="left" valign="top"><p class="normal">(NULL)</td>
<td align="left" valign="top"><p class="normal"> </td>
<td align="left" valign="top"><p class="normal">select,insert,update,references</td>
<td align="left" valign="top"><p class="normal"> </td>
</tr>
</table>
<table width="100%" border="0" cellspacing="0" cellpadding="3">
<tr>
<td class="fieldheader" width="100%" align="left" valign="top">Indexes</td>
</tr>
</table>
<table width="100%" cellspacing="0" cellapdding="2" border="1">
<tr>
<td align="left" valign="top" class="fieldcolumn">Table</td>
<td align="left" valign="top" class="fieldcolumn">Non<br>unique</td>
<td align="left" valign="top" class="fieldcolumn">Key<br>name</td>
<td align="left" valign="top" class="fieldcolumn">Seq<br>in<br>index</td>
<td align="left" valign="top" class="fieldcolumn">Column<br>name</td>
<td align="left" valign="top" class="fieldcolumn">Collation</td>
<td align="left" valign="top" class="fieldcolumn">Cardinality</td>
<td align="left" valign="top" class="fieldcolumn">Sub<br>part</td>
<td align="left" valign="top" class="fieldcolumn">Packed</td>
<td align="left" valign="top" class="fieldcolumn">Null</td>
<td align="left" valign="top" class="fieldcolumn">Index<br>type</td>
<td align="left" valign="top" class="fieldcolumn">Comment</td>
<td align="left" valign="top" class="fieldcolumn">Index<br>comment</td>
</tr>
<tr>
<td align="left" valign="top"><p class="normal">question_type</td>
<td align="left" valign="top"><p class="normal">0</td>
<td align="left" valign="top"><p class="normal">PRIMARY</td>
<td align="left" valign="top"><p class="normal">1</td>
<td align="left" valign="top"><p class="normal">id</td>
<td align="left" valign="top"><p class="normal">A</td>
<td align="left" valign="top"><p class="normal">2</td>
<td align="left" valign="top"><p class="normal">(NULL)</td>
<td align="left" valign="top"><p class="normal">(NULL)</td>
<td align="left" valign="top"><p class="normal"> </td>
<td align="left" valign="top"><p class="normal">BTREE</td>
<td align="left" valign="top"><p class="normal"> </td>
<td align="left" valign="top"><p class="normal"> </td>
</tr>
</table>
<a href="#header"><p class="normal">Back</a><br class=page>
<p><a name='questions'> </a>
<table width="100%" border="0" cellspacing="0" cellpadding="3">
<tr>
<td class="headtext" width="30%" align="left" valign="top">questions</td>
<td> </td>
<tr>
</table>
<table width="100%" border="0" cellspacing="0" cellpadding="3">
<tr>
<td class="fieldheader" width="100%" align="left" valign="top">Fields</td>
</tr>
</table>
<table width="100%" cellspacing="0" cellapdding="2" border="1">
<tr>
<td align="center" valign="top" class="fieldcolumn">Field</td>
<td align="center" valign="top" class="fieldcolumn">Type</td>
<td align="center" valign="top" class="fieldcolumn">Collation</td>
<td align="center" valign="top" class="fieldcolumn">Null</td>
<td align="center" valign="top" class="fieldcolumn">Key</td>
<td align="center" valign="top" class="fieldcolumn">Default</td>
<td align="center" valign="top" class="fieldcolumn">Extra</td>
<td align="center" valign="top" class="fieldcolumn">Privileges</td>
<td align="center" valign="top" class="fieldcolumn">Comment</td>
</tr>
<tr>
<td align="left" valign="top"><p class="normal">id</td>
<td align="left" valign="top"><p class="normal">int(11)</td>
<td align="left" valign="top"><p class="normal">(NULL)</td>
<td align="left" valign="top"><p class="normal">NO</td>
<td align="left" valign="top"><p class="normal">PRI</td>
<td align="left" valign="top"><p class="normal">(NULL)</td>
<td align="left" valign="top"><p class="normal">auto_increment</td>
<td align="left" valign="top"><p class="normal">select,insert,update,references</td>
<td align="left" valign="top"><p class="normal"> </td>
</tr>
<tr>
<td align="left" valign="top"><p class="normal">question</td>
<td align="left" valign="top"><p class="normal">varchar(5000)</td>
<td align="left" valign="top"><p class="normal">ascii_general_ci</td>
<td align="left" valign="top"><p class="normal">YES</td>
<td align="left" valign="top"><p class="normal"> </td>
<td align="left" valign="top"><p class="normal">(NULL)</td>
<td align="left" valign="top"><p class="normal"> </td>
<td align="left" valign="top"><p class="normal">select,insert,update,references</td>
<td align="left" valign="top"><p class="normal"> </td>
</tr>
<tr>
<td align="left" valign="top"><p class="normal">options</td>
<td align="left" valign="top"><p class="normal">varchar(5000)</td>
<td align="left" valign="top"><p class="normal">ascii_general_ci</td>
<td align="left" valign="top"><p class="normal">YES</td>
<td align="left" valign="top"><p class="normal"> </td>
<td align="left" valign="top"><p class="normal">(NULL)</td>
<td align="left" valign="top"><p class="normal"> </td>
<td align="left" valign="top"><p class="normal">select,insert,update,references</td>
<td align="left" valign="top"><p class="normal">options separated by '||'</td>
</tr>
<tr>
<td align="left" valign="top"><p class="normal">answer</td>
<td align="left" valign="top"><p class="normal">int(1)</td>
<td align="left" valign="top"><p class="normal">(NULL)</td>
<td align="left" valign="top"><p class="normal">YES</td>
<td align="left" valign="top"><p class="normal"> </td>
<td align="left" valign="top"><p class="normal">(NULL)</td>
<td align="left" valign="top"><p class="normal"> </td>
<td align="left" valign="top"><p class="normal">select,insert,update,references</td>
<td align="left" valign="top"><p class="normal"> </td>
</tr>
<tr>
<td align="left" valign="top"><p class="normal">comments</td>
<td align="left" valign="top"><p class="normal">varchar(5000)</td>
<td align="left" valign="top"><p class="normal">ascii_general_ci</td>
<td align="left" valign="top"><p class="normal">YES</td>
<td align="left" valign="top"><p class="normal"> </td>
<td align="left" valign="top"><p class="normal">(NULL)</td>
<td align="left" valign="top"><p class="normal"> </td>
<td align="left" valign="top"><p class="normal">select,insert,update,references</td>
<td align="left" valign="top"><p class="normal">information on options separated by '||'</td>
</tr>
<tr>
<td align="left" valign="top"><p class="normal">l3_id</td>
<td align="left" valign="top"><p class="normal">int(11)</td>
<td align="left" valign="top"><p class="normal">(NULL)</td>
<td align="left" valign="top"><p class="normal">YES</td>
<td align="left" valign="top"><p class="normal"> </td>
<td align="left" valign="top"><p class="normal">(NULL)</td>
<td align="left" valign="top"><p class="normal"> </td>
<td align="left" valign="top"><p class="normal">select,insert,update,references</td>
<td align="left" valign="top"><p class="normal"> </td>
</tr>
<tr>
<td align="left" valign="top"><p class="normal">difficulty</td>
<td align="left" valign="top"><p class="normal">int(1)</td>
<td align="left" valign="top"><p class="normal">(NULL)</td>
<td align="left" valign="top"><p class="normal">YES</td>
<td align="left" valign="top"><p class="normal"> </td>
<td align="left" valign="top"><p class="normal">(NULL)</td>
<td align="left" valign="top"><p class="normal"> </td>
<td align="left" valign="top"><p class="normal">select,insert,update,references</td>
<td align="left" valign="top"><p class="normal"> </td>
</tr>
<tr>
<td align="left" valign="top"><p class="normal">average_time</td>
<td align="left" valign="top"><p class="normal">timestamp</td>
<td align="left" valign="top"><p class="normal">(NULL)</td>
<td align="left" valign="top"><p class="normal">YES</td>
<td align="left" valign="top"><p class="normal"> </td>
<td align="left" valign="top"><p class="normal">(NULL)</td>
<td align="left" valign="top"><p class="normal"> </td>
<td align="left" valign="top"><p class="normal">select,insert,update,references</td>
<td align="left" valign="top"><p class="normal"> </td>
</tr>
<tr>
<td align="left" valign="top"><p class="normal">question_type_id</td>
<td align="left" valign="top"><p class="normal">int(11)</td>
<td align="left" valign="top"><p class="normal">(NULL)</td>
<td align="left" valign="top"><p class="normal">YES</td>
<td align="left" valign="top"><p class="normal"> </td>
<td align="left" valign="top"><p class="normal">(NULL)</td>
<td align="left" valign="top"><p class="normal"> </td>
<td align="left" valign="top"><p class="normal">select,insert,update,references</td>
<td align="left" valign="top"><p class="normal"> </td>
</tr>
<tr>
<td align="left" valign="top"><p class="normal">question_set_id</td>
<td align="left" valign="top"><p class="normal">varchar(5000)</td>
<td align="left" valign="top"><p class="normal">ascii_general_ci</td>
<td align="left" valign="top"><p class="normal">YES</td>
<td align="left" valign="top"><p class="normal"> </td>
<td align="left" valign="top"><p class="normal">(NULL)</td>
<td align="left" valign="top"><p class="normal"> </td>
<td align="left" valign="top"><p class="normal">select,insert,update,references</td>
<td align="left" valign="top"><p class="normal"> </td>
</tr>
<tr>
<td align="left" valign="top"><p class="normal">flag</td>
<td align="left" valign="top"><p class="normal">int(1)</td>
<td align="left" valign="top"><p class="normal">(NULL)</td>
<td align="left" valign="top"><p class="normal">YES</td>
<td align="left" valign="top"><p class="normal"> </td>
<td align="left" valign="top"><p class="normal">1</td>
<td align="left" valign="top"><p class="normal"> </td>
<td align="left" valign="top"><p class="normal">select,insert,update,references</td>
<td align="left" valign="top"><p class="normal"> </td>
</tr>
</table>
<table width="100%" border="0" cellspacing="0" cellpadding="3">
<tr>
<td class="fieldheader" width="100%" align="left" valign="top">Indexes</td>
</tr>
</table>
<table width="100%" cellspacing="0" cellapdding="2" border="1">
<tr>
<td align="left" valign="top" class="fieldcolumn">Table</td>
<td align="left" valign="top" class="fieldcolumn">Non<br>unique</td>
<td align="left" valign="top" class="fieldcolumn">Key<br>name</td>
<td align="left" valign="top" class="fieldcolumn">Seq<br>in<br>index</td>
<td align="left" valign="top" class="fieldcolumn">Column<br>name</td>
<td align="left" valign="top" class="fieldcolumn">Collation</td>
<td align="left" valign="top" class="fieldcolumn">Cardinality</td>
<td align="left" valign="top" class="fieldcolumn">Sub<br>part</td>
<td align="left" valign="top" class="fieldcolumn">Packed</td>
<td align="left" valign="top" class="fieldcolumn">Null</td>
<td align="left" valign="top" class="fieldcolumn">Index<br>type</td>
<td align="left" valign="top" class="fieldcolumn">Comment</td>
<td align="left" valign="top" class="fieldcolumn">Index<br>comment</td>
</tr>
<tr>
<td align="left" valign="top"><p class="normal">questions</td>
<td align="left" valign="top"><p class="normal">0</td>
<td align="left" valign="top"><p class="normal">PRIMARY</td>
<td align="left" valign="top"><p class="normal">1</td>
<td align="left" valign="top"><p class="normal">id</td>
<td align="left" valign="top"><p class="normal">A</td>
<td align="left" valign="top"><p class="normal">4</td>
<td align="left" valign="top"><p class="normal">(NULL)</td>
<td align="left" valign="top"><p class="normal">(NULL)</td>
<td align="left" valign="top"><p class="normal"> </td>
<td align="left" valign="top"><p class="normal">BTREE</td>
<td align="left" valign="top"><p class="normal"> </td>
<td align="left" valign="top"><p class="normal"> </td>
</tr>
</table>
<a href="#header"><p class="normal">Back</a><br class=page>
<p><a name='quizzes'> </a>
<table width="100%" border="0" cellspacing="0" cellpadding="3">
<tr>
<td class="headtext" width="30%" align="left" valign="top">quizzes</td>
<td> </td>
<tr>
</table>
<table width="100%" border="0" cellspacing="0" cellpadding="3">
<tr>
<td class="fieldheader" width="100%" align="left" valign="top">Fields</td>
</tr>
</table>
<table width="100%" cellspacing="0" cellapdding="2" border="1">
<tr>
<td align="center" valign="top" class="fieldcolumn">Field</td>
<td align="center" valign="top" class="fieldcolumn">Type</td>
<td align="center" valign="top" class="fieldcolumn">Collation</td>
<td align="center" valign="top" class="fieldcolumn">Null</td>
<td align="center" valign="top" class="fieldcolumn">Key</td>
<td align="center" valign="top" class="fieldcolumn">Default</td>
<td align="center" valign="top" class="fieldcolumn">Extra</td>
<td align="center" valign="top" class="fieldcolumn">Privileges</td>
<td align="center" valign="top" class="fieldcolumn">Comment</td>
</tr>
<tr>
<td align="left" valign="top"><p class="normal">id</td>
<td align="left" valign="top"><p class="normal">int(11)</td>
<td align="left" valign="top"><p class="normal">(NULL)</td>
<td align="left" valign="top"><p class="normal">NO</td>
<td align="left" valign="top"><p class="normal">PRI</td>
<td align="left" valign="top"><p class="normal">(NULL)</td>
<td align="left" valign="top"><p class="normal">auto_increment</td>
<td align="left" valign="top"><p class="normal">select,insert,update,references</td>
<td align="left" valign="top"><p class="normal"> </td>
</tr>
<tr>
<td align="left" valign="top"><p class="normal">question_list_ids</td>
<td align="left" valign="top"><p class="normal">varchar(100)</td>
<td align="left" valign="top"><p class="normal">ascii_general_ci</td>
<td align="left" valign="top"><p class="normal">YES</td>
<td align="left" valign="top"><p class="normal"> </td>
<td align="left" valign="top"><p class="normal">(NULL)</td>
<td align="left" valign="top"><p class="normal"> </td>
<td align="left" valign="top"><p class="normal">select,insert,update,references</td>
<td align="left" valign="top"><p class="normal">string of question_list_ids separated by ||</td>
</tr>
<tr>
<td align="left" valign="top"><p class="normal">l1_id</td>
<td align="left" valign="top"><p class="normal">int(11)</td>
<td align="left" valign="top"><p class="normal">(NULL)</td>
<td align="left" valign="top"><p class="normal">YES</td>
<td align="left" valign="top"><p class="normal"> </td>
<td align="left" valign="top"><p class="normal">(NULL)</td>
<td align="left" valign="top"><p class="normal"> </td>
<td align="left" valign="top"><p class="normal">select,insert,update,references</td>
<td align="left" valign="top"><p class="normal"> </td>
</tr>
</table>
<table width="100%" border="0" cellspacing="0" cellpadding="3">
<tr>
<td class="fieldheader" width="100%" align="left" valign="top">Indexes</td>
</tr>
</table>
<table width="100%" cellspacing="0" cellapdding="2" border="1">
<tr>
<td align="left" valign="top" class="fieldcolumn">Table</td>
<td align="left" valign="top" class="fieldcolumn">Non<br>unique</td>
<td align="left" valign="top" class="fieldcolumn">Key<br>name</td>
<td align="left" valign="top" class="fieldcolumn">Seq<br>in<br>index</td>
<td align="left" valign="top" class="fieldcolumn">Column<br>name</td>
<td align="left" valign="top" class="fieldcolumn">Collation</td>
<td align="left" valign="top" class="fieldcolumn">Cardinality</td>
<td align="left" valign="top" class="fieldcolumn">Sub<br>part</td>
<td align="left" valign="top" class="fieldcolumn">Packed</td>
<td align="left" valign="top" class="fieldcolumn">Null</td>
<td align="left" valign="top" class="fieldcolumn">Index<br>type</td>
<td align="left" valign="top" class="fieldcolumn">Comment</td>
<td align="left" valign="top" class="fieldcolumn">Index<br>comment</td>
</tr>
<tr>
<td align="left" valign="top"><p class="normal">quizzes</td>
<td align="left" valign="top"><p class="normal">0</td>
<td align="left" valign="top"><p class="normal">PRIMARY</td>
<td align="left" valign="top"><p class="normal">1</td>
<td align="left" valign="top"><p class="normal">id</td>
<td align="left" valign="top"><p class="normal">A</td>
<td align="left" valign="top"><p class="normal">2</td>