<?xml version="1.0" encoding="utf-8"?>
<ruleset version="1.5.0">
    <customrules>
    </customrules>
    <fields>
		<field name="db_type" required="true" default="mysql" />
		<field name="db_database" required="true" length="1:250" />
		<field name="db_table_prefix" length="2:20" rule="alpha" />
    </fields>
</ruleset>
