accounts
<h4>accounts</h4>
<table>
<thead>
<tr>
<th>字段名称</th>
<th>类型长度</th>
<th>是否NULL</th>
<th>默认值</th>
<th>注释</th>
</tr>
</thead>
<tbody>
<tr>
<td>id</td>
<td>int(11)</td>
<td>NO</td>
<td></td>
<td></td>
</tr>
<tr>
<td>username</td>
<td>varchar(50)</td>
<td>NO</td>
<td></td>
<td></td>
</tr>
<tr>
<td>password</td>
<td>text</td>
<td>NO</td>
<td></td>
<td></td>
</tr>
<tr>
<td>role</td>
<td>text</td>
<td>NO</td>
<td></td>
<td></td>
</tr>
<tr>
<td>created_at</td>
<td>timestamp</td>
<td>NO</td>
<td>'0000-00-00 00:00:00'</td>
<td></td>
</tr>
<tr>
<td>updated_at</td>
<td>timestamp</td>
<td>NO</td>
<td>current_timestamp()</td>
<td></td>
</tr>
</tbody>
</table>