id, name, phone, work_area, position_type, created_at INSERT INTO users (name, phone, work_area, position_type) VALUES (#{name}, #{phone}, #{workArea}, #{positionType}) UPDATE users SET name = #{name}, phone = #{phone}, work_area = #{workArea}, position_type = #{positionType} WHERE id = #{id} DELETE FROM users WHERE id = #{id} SELECT FROM users WHERE id = #{id} SELECT FROM users ORDER BY id SELECT FROM users WHERE phone = #{phone} SELECT FROM users WHERE work_area = #{workArea} ORDER BY id