>        database_name = weewx
        database_type = MySQL</span>



<span class='added'>[DatabaseTypes]
    [[SQLite]]
        driver = weedb.sqlite
        SQLITE_ROOT = %(WEEWX_ROOT)s/archive
    [[MySQL]]
        driver = weedb.mysql
        host = localhost
        user = weewx
        password = weewx</span></pre>
                </td>
            </tr>
        </table>

        <h2>From V2.7 or earlier</h2>

        <h3>Overview</h3>

        <p>While a lot has changed with Version 3, the upgrade p