--trial conversion
SELECT PRF_USER.USERNAME, PRF_PROFILE.KEY_ID, PRF_FUNC.DESCRIPTION , PRF_MENU.DESCRIPTION , PRF_MENU.POSITION
    FROM (
            (
                (
                    SELECT * FROM PRF_USER
                    INNER JOIN PRF_REL_USER_PROFILE ON PRF_REL_USER_PROFILE.USER_ID = PRF_USER.USER_ID
                    INNER JOIN PRF_PROFILE ON PRF_REL_USER_PROFILE.PROFILE_ID = PRF_PROFILE.PROFILE_ID
                    INNER JOIN PRF_REL_FUNCTION_PROFILE ON PRF_REL_FUNCTION_PROFILE.PROFILE_ID = PRF_PROFILE.PROFILE_ID
                )
                INNER JOIN PRF_FUNC
                ON (PRF_REL_FUNCTION_PROFILE.FUNCTION_ID = PRF_FUNC.FUNCTION_ID)
            )
            INNER JOIN PRF_REL_FUNCTION_MENU
            ON (PRF_REL_FUNCTION_MENU.FUNCTION_ID = PRF_FUNC.FUNCTION_ID)
        )
    INNER JOIN PRF_MENU
    ON (PRF_MENU.MENU_ID = PRF_REL_FUNCTION_MENU.MENU_ID)
    WHERE PRF_PROFILE.PROFILE_ID = 'Admin'