<query id="deleteMembersGroup" action="delete">
    <tables>
        <table name="member_group_member" />
    </tables>
    <conditions>
        <condition operation="equal" column="site_srl" var="site_srl" default="0" />
        <condition operation="in" column="member_srl" var="member_srl" notnull="notnull" filter="numbers" pipe="and" />
    </conditions>
</query>
