diff --git a/src/main/resources/mapper/UserMapper.xml b/src/main/resources/mapper/UserMapper.xml
index 9eeadb5..03bf808 100644
--- a/src/main/resources/mapper/UserMapper.xml
+++ b/src/main/resources/mapper/UserMapper.xml
@@ -3,27 +3,16 @@
     "https://mybatis.org/dtd/mybatis-3-mapper.dtd">
 <mapper namespace="com.cloudhandson.vpdbackoffice.mapper.UserMapper">
   <select id="findAll" resultType="com.cloudhandson.vpdbackoffice.domain.user.AppUser">
-    SELECT e.employee_id AS user_id,
-           e.full_name AS username,
-           e.employee_code AS emp_no,
-           t.team_code AS dept_code,
-           'N' AS can_read_contents,
-           CASE WHEN e.employment_status = 'ACTIVE' THEN 'Y' ELSE 'N' END AS active_yn
-    FROM hmm_hr_employees e
-    JOIN hmm_org_teams t ON t.team_id = e.team_id
+    SELECT user_id, user_name AS username, employee_no AS emp_no, dept_code,
+           can_read_contents, active AS active_yn
+    FROM sg_app_user
     ORDER BY username
   </select>
 
   <select id="findById" resultType="com.cloudhandson.vpdbackoffice.domain.user.AppUser">
-    SELECT e.employee_id AS user_id,
-           e.full_name AS username,
-           e.employee_code AS emp_no,
-           t.team_code AS dept_code,
-           'N' AS can_read_contents,
-           CASE WHEN e.employment_status = 'ACTIVE' THEN 'Y' ELSE 'N' END AS active_yn
-    FROM hmm_hr_employees e
-    JOIN hmm_org_teams t ON t.team_id = e.team_id
-    WHERE e.employee_id = #{userId}
+    SELECT user_id, user_name AS username, employee_no AS emp_no, dept_code,
+           can_read_contents, active AS active_yn
+    FROM sg_app_user WHERE user_id = #{userId}
   </select>
 
   <select id="findUserRoles" resultType="com.cloudhandson.vpdbackoffice.domain.user.UserRoleView">
@@ -31,46 +20,32 @@
            u.user_name AS username,
            r.role_id,
            r.role_name
-    FROM hmm_employee_access_roles ur
-    JOIN hmm_hr_employees u ON u.employee_id = ur.employee_id
-    JOIN hmm_access_roles r ON r.role_id = ur.role_id
-    ORDER BY u.full_name, r.role_name
+    FROM sg_user_role ur
+    JOIN sg_app_user u ON u.user_id = ur.user_id
+    JOIN sg_app_role r ON r.role_id = ur.role_id
+    ORDER BY u.user_name, r.role_name
   </select>
 
   <select id="nextUserId" resultType="long">
-    SELECT NVL(MAX(employee_id), 0) + 1 FROM hmm_hr_employees
+    SELECT NVL(MAX(user_id), 0) + 1 FROM sg_app_user
   </select>
 
   <insert id="insertUser">
-    INSERT INTO hmm_hr_employees (
-      employee_id, employee_code, full_name, email, job_title, team_id, hire_date, employment_status
-    )
-    SELECT #{userId},
-           #{command.empNo},
-           #{command.username},
-           LOWER(#{command.empNo}) || '@example.test',
-           'HMM Demo Employee',
-           t.team_id,
-           TRUNC(SYSDATE),
-           'ACTIVE'
-    FROM hmm_org_teams t
-    WHERE t.team_code = #{command.deptCode}
+    INSERT INTO sg_app_user (user_id, login_id, user_name, employee_no, dept_code, can_read_contents, active)
+    VALUES (#{userId}, LOWER(#{command.empNo}), #{command.username}, #{command.empNo},
+            #{command.deptCode}, 'N', 'Y')
   </insert>
 
   <update id="updateActive">
-    UPDATE hmm_hr_employees
-    SET employment_status = CASE WHEN #{activeYn} = 'Y' THEN 'ACTIVE' ELSE 'INACTIVE' END
-    WHERE employee_id = #{userId}
+    UPDATE sg_app_user SET active = #{activeYn} WHERE user_id = #{userId}
   </update>
 
   <insert id="insertUserRole">
-    INSERT INTO hmm_employee_access_roles (employee_id, role_id)
-    VALUES (#{userId}, #{roleId})
+    INSERT INTO sg_user_role (user_id, role_id) VALUES (#{userId}, #{roleId})
   </insert>
 
   <delete id="deleteUserRole">
-    DELETE FROM hmm_employee_access_roles
-    WHERE employee_id = #{userId}
+    DELETE FROM sg_user_role WHERE user_id = #{userId}
       AND role_id = #{roleId}
   </delete>
 </mapper>