Using ibatis from scratch

1. mapper xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE mapper PUBLIC "-//ibatis.apache.org//DTD Mapper 3.0//EN" "http://ibatis.apache.org/dtd/ibatis-3-mapper.dtd">
<mapper namespace="BillingDAO">

	<select id="findBilling" parameterType="java.util.Map"
		resultType="BillingBean">

		select * from table

	</select>

<update id="updateBilling" parameterType="java.util.Map">
		update ..
		set ..
		where .. = #{..}
</update>

 </mapper>