Need help on complex configuration

hi all,
i share internet access with my neighbour. in order to do it i bought two airport express base station and configured them using wds.
the main station is installed in my neighbour apartment; the remote station is installed in my apartment and is also connected to my hi-fi (airtune is a fundamental feature i simply can't do without). a laser printer is also connected to the usb port of the remote station.
everything is working fine, but now i would like to do more. i would like to buy a time capsule and connect it to my existing wireless network.
time capsule does not have the airtune feature so i cannot just substitute my existing remote base station.
unfortunatly airport express does not support the 802.11n standard. so, as far as i know, if i add a time capsule unit to my existing wireless network, it will operate in 802.11g mode thus being unusable for network backups (using time machine) or for adding an additional airdisk (network share) to the available usb port.
before spending money on a time capsule, i need to solve this problem. here is my idea:
1) internet router is connected to the main airport express using ethernet
2) the main airport express announces my wireless network and act as the main wds station
3) the second airport express is configured in relay mode and synchronize with the main station using wds. the second airport station drives a laser printer through the usb port (bonjour protocol). it is also connected to the hi-fi system (airtune). important: since it operates using the 802.11g standard, the second airport express will not be used as an access point. it should only replicate the signal from the main (using wds) to the time capsule (using ethernet), drive the laser printer and send music to my amplifier
4) the time capsule is configured as a remote base station and synchronize with the second airport using ethernet. it is used as an access point and operates using the 802.11n standard. it also provide network backup services and share another disk through the usb port
5) my macbook pro access the wireless network through the time capsule unit and operate using the 802.11n standard
this solution sounds good to me, but there are a couple of things that i'm not sure can be done.
1) how can i configure the time capsule in order to operate as a remote base station synchronizing with the relay using the ethernet port?
2) how can i avoid that my powerbook while accessing my wireless network does connect through the relay station instead of using the time capsule? (in other words how can i configure the relay station so that it does not operate as an access point?)
any suggestion or comment will be highly appreciated....
thank you very much in advance

Duane wrote:
doctormirabilis, Welcome to the discussion area!
1) how can i configure the time capsule in order to operate as a remote base station synchronizing with the relay using the ethernet port?
Configure the Time Capsule to act as a bridge (not distributing IP addresses). Also configure the Time Capsule to create an 802.11n wireless network with a unique network name (SSID). That's it.
2) how can i avoid that my powerbook while accessing my wireless network does connect through the relay station instead of using the time capsule?
Configure the Time Capsule to use a different network name than the WDS link between the 2 AirPort Express (AX). Configure the PowerBook to use the Time Capsule network.
There are 2 pieces of information that you should be aware of...
(1) None of the PowerBooks are capable of 802.11n.
(2) The WDS link cuts your available bandwidth in half. So the wireless link to your neighbor's has a maximum potential of 27 Mbps.
Let's for a minute assume that you have a Mac compatible with 802.11n. In your configuration the time you could take advantage of the 802.11n speed is when the Mac is sending/recieving data directly from/to the Time Capsule.
There would be NO speed increase in Internet access. The speed of Internet access is going to be controlled by the slowest link in the path to the Internet. That is probably the connection to the ISP. The next slowest path is the WDS link to your neighbor's.
Duane,
I am in a similar situation, sharing internet with my neighbor. Do you think it would be plausible to hook up a vonage phone adapter to time capsule's ethernet port if time capsule is bridging from my neighbor's router in the configuration you have described? A check of my upload speed shows 1.67Mbps (powerbookG4 w/ airport extreme). Vonage reccommends 90kbps minimum upload speed. Am I going to lose some speed putting the Vonag adapter behind time capsule?
Thank you

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Duane wrote:
doctormirabilis, Welcome to the discussion area!
1) how can i configure the time capsule in order to operate as a remote base station synchronizing with the relay using the ethernet port?
Configure the Time Capsule to act as a bridge (not distributing IP addresses). Also configure the Time Capsule to create an 802.11n wireless network with a unique network name (SSID). That's it.
2) how can i avoid that my powerbook while accessing my wireless network does connect through the relay station instead of using the time capsule?
Configure the Time Capsule to use a different network name than the WDS link between the 2 AirPort Express (AX). Configure the PowerBook to use the Time Capsule network.
There are 2 pieces of information that you should be aware of...
(1) None of the PowerBooks are capable of 802.11n.
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Let's for a minute assume that you have a Mac compatible with 802.11n. In your configuration the time you could take advantage of the 802.11n speed is when the Mac is sending/recieving data directly from/to the Time Capsule.
There would be NO speed increase in Internet access. The speed of Internet access is going to be controlled by the slowest link in the path to the Internet. That is probably the connection to the ISP. The next slowest path is the WDS link to your neighbor's.
Duane,
I am in a similar situation, sharing internet with my neighbor. Do you think it would be plausible to hook up a vonage phone adapter to time capsule's ethernet port if time capsule is bridging from my neighbor's router in the configuration you have described? A check of my upload speed shows 1.67Mbps (powerbookG4 w/ airport extreme). Vonage reccommends 90kbps minimum upload speed. Am I going to lose some speed putting the Vonag adapter behind time capsule?
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Go to Solution.

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Checksum ver 2.vi ‏10 KB

Need Help with complex query for productio database

Hello again,
i need your help again, for an query how Shows me how long every production step takes per Order.
See sample data and what i expect.
Thank you all for your help.
We use Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production
Here the sample data tables:
CREATE      TABLE      TABLE_2
(     "ORDER_NR"      VARCHAR2 (12)
,      "PRIORITY"      VARCHAR2 (2)
,      "WO_STEP"      VARCHAR2 (1)
,      "STEP_DATE"      DATE
CREATE      TABLE      TABLE_1
(     "ORDER_NR"           VARCHAR2     (12) PRIMARY KEY
,      "PRIORITY"           VARCHAR2      (2)
,      "CREATE_DATE"      DATE
,     "ACT_STEP"          VARCHAR2     (2)
,     "STEP_DATE"          DATE
,     "EMPLOYEE"          VARCHAR2     (5)
,     "DESCRIPTION"     VARCHAR2     (20)
INSERT      INTO      TABLE_1      (ORDER_NR,               PRIORITY,      CREATE_DATE,                                                        ACT_STEP,     STEP_DATE,                                                            EMPLOYEE,     DESCRIPTION)
                    VALUES           ('1KKA1T205634',     '12',          TO_DATE('10-FEB-13 10:00:00','DD-MON-RR HH24:MI:SS'),     'U',          TO_DATE('28-FEB-13 12:00:00','DD-MON-RR HH24:MI:SS'),     'W0010',     'CLEAN HOUSE');
INSERT      INTO      TABLE_1      (ORDER_NR,               PRIORITY,     CREATE_DATE,                                                        ACT_STEP,     STEP_DATE,                                                            EMPLOYEE,     DESCRIPTION)
                    VALUES           ('1KKA1Z300612',     '12',          TO_DATE('08-FEB-13 14:00:00','DD-MON-RR HH24:MI:SS'),     'F',          TO_DATE('20-FEB-13 16:00:00','DD-MON-RR HH24:MI:SS'),     'K0052',     'REPAIR CAR');
INSERT     INTO      TABLE_2      (ORDER_NR,               PRIORITY,     WO_STEP,     STEP_DATE)
                    VALUES           ('1KKA1T205634',     '12',          'A',          TO_DATE('12-FEB-13 13:00:00','DD-MON-RR HH24:MI:SS'));
INSERT     INTO      TABLE_2      (ORDER_NR,               PRIORITY,     WO_STEP,     STEP_DATE)
                    VALUES           ('1KKA1T205634',     '12',          '5',          TO_DATE('13-FEB-13 09:00:00','DD-MON-RR HH24:MI:SS'));
INSERT     INTO      TABLE_2      (ORDER_NR,               PRIORITY,     WO_STEP,     STEP_DATE)
                    VALUES           ('1KKA1T205634',     '12',          'K',          TO_DATE('13-FEB-13 10:00:00','DD-MON-RR HH24:MI:SS'));
INSERT     INTO      TABLE_2      (ORDER_NR,               PRIORITY,     WO_STEP,     STEP_DATE)
                    VALUES           ('1KKA1T205634',     '12',          '5',          TO_DATE('13-FEB-13 11:00:00','DD-MON-RR HH24:MI:SS'));
INSERT     INTO      TABLE_2      (ORDER_NR,               PRIORITY,     WO_STEP,     STEP_DATE)
                    VALUES           ('1KKA1T205634',     '12',          'K',          TO_DATE('13-FEB-13 12:00:00','DD-MON-RR HH24:MI:SS'));
INSERT     INTO      TABLE_2      (ORDER_NR,               PRIORITY,     WO_STEP,     STEP_DATE)
                    VALUES           ('1KKA1T205634',     '12',          '5',          TO_DATE('13-FEB-13 16:00:00','DD-MON-RR HH24:MI:SS'));
INSERT     INTO      TABLE_2      (ORDER_NR,               PRIORITY,     WO_STEP,     STEP_DATE)
                    VALUES           ('1KKA1T205634',     '12',          'C',          TO_DATE('14-FEB-13 08:00:00','DD-MON-RR HH24:MI:SS'));
INSERT     INTO      TABLE_2      (ORDER_NR,               PRIORITY,     WO_STEP,     STEP_DATE)
                    VALUES           ('1KKA1T205634',     '12',          'B',          TO_DATE('14-FEB-13 10:00:00','DD-MON-RR HH24:MI:SS'));
INSERT     INTO      TABLE_2      (ORDER_NR,               PRIORITY,     WO_STEP,     STEP_DATE)
                    VALUES           ('1KKA1T205634',     '12',          'E',          TO_DATE('18-FEB-13 13:00:00','DD-MON-RR HH24:MI:SS'));
INSERT     INTO      TABLE_2      (ORDER_NR,               PRIORITY,     WO_STEP,     STEP_DATE)
                    VALUES           ('1KKA1T205634',     '12',          'F',          TO_DATE('20-FEB-13 16:00:00','DD-MON-RR HH24:MI:SS'));
INSERT     INTO      TABLE_2      (ORDER_NR,               PRIORITY,     WO_STEP,     STEP_DATE)
                    VALUES           ('1KKA1T205634',     '12',          'S',          TO_DATE('21-FEB-13 08:00:00','DD-MON-RR HH24:MI:SS'));
INSERT     INTO      TABLE_2      (ORDER_NR,               PRIORITY,     WO_STEP,     STEP_DATE)
                    VALUES           ('1KKA1T205634',     '12',          'R',          TO_DATE('21-FEB-13 09:00:00','DD-MON-RR HH24:MI:SS'));
INSERT     INTO      TABLE_2      (ORDER_NR,               PRIORITY,     WO_STEP,     STEP_DATE)
                    VALUES           ('1KKA1T205634',     '12',          'U',          TO_DATE('28-FEB-13 12:00:00','DD-MON-RR HH24:MI:SS'));
INSERT     INTO      TABLE_2      (ORDER_NR,               PRIORITY,     WO_STEP,     STEP_DATE)
                    VALUES           ('1KKA1Z300612',     '12',          'A',          TO_DATE('12-FEB-13 13:52:42','DD-MON-RR HH24:MI:SS'));
INSERT     INTO      TABLE_2      (ORDER_NR,               PRIORITY,     WO_STEP,     STEP_DATE)
                    VALUES           ('1KKA1Z300612',     '12',          '5',          TO_DATE('13-FEB-13 09:00:00','DD-MON-RR HH24:MI:SS'));
INSERT     INTO      TABLE_2      (ORDER_NR,               PRIORITY,     WO_STEP,     STEP_DATE)
                    VALUES           ('1KKA1Z300612',     '12',          'K',          TO_DATE('13-FEB-13 10:00:00','DD-MON-RR HH24:MI:SS'));
INSERT     INTO      TABLE_2      (ORDER_NR,               PRIORITY,     WO_STEP,     STEP_DATE)
                    VALUES           ('1KKA1Z300612',     '12',          '5',          TO_DATE('13-FEB-13 11:00:00','DD-MON-RR HH24:MI:SS'));
INSERT     INTO      TABLE_2      (ORDER_NR,               PRIORITY,     WO_STEP,     STEP_DATE)
                    VALUES           ('1KKA1Z300612',     '12',          'K',          TO_DATE('13-FEB-13 12:00:00','DD-MON-RR HH24:MI:SS'));
INSERT     INTO      TABLE_2      (ORDER_NR,               PRIORITY,     WO_STEP,     STEP_DATE)
                    VALUES           ('1KKA1Z300612',     '12',          '5',          TO_DATE('13-FEB-13 16:00:00','DD-MON-RR HH24:MI:SS'));
INSERT     INTO      TABLE_2      (ORDER_NR,               PRIORITY,     WO_STEP,     STEP_DATE)
                    VALUES           ('1KKA1Z300612',     '12',          'C',          TO_DATE('14-FEB-13 08:00:00','DD-MON-RR HH24:MI:SS'));
INSERT     INTO      TABLE_2      (ORDER_NR,               PRIORITY,     WO_STEP,     STEP_DATE)
                    VALUES           ('1KKA1Z300612',     '12',          'B',          TO_DATE('14-FEB-13 10:00:00','DD-MON-RR HH24:MI:SS'));
INSERT     INTO      TABLE_2      (ORDER_NR,               PRIORITY,     WO_STEP,     STEP_DATE)
                    VALUES           ('1KKA1Z300612',     '12',          'E',          TO_DATE('18-FEB-13 13:00:00','DD-MON-RR HH24:MI:SS'));
INSERT     INTO      TABLE_2      (ORDER_NR,               PRIORITY,     WO_STEP,     STEP_DATE)
                    VALUES           ('1KKA1Z300612',     '12',          'F',          TO_DATE('20-FEB-13 16:00:00','DD-MON-RR HH24:MI:SS'));
COMMIT;And here is what i expect from my query:
SYSDATE     28.Feb.13 14:00
ORDER_NR     PRIORITYCREATE_DATE     STATUS     STATUS_DATE     DESCRIPTION     AGE_1     AGE_2     WAITNG     STEP_A     STEP_B     STEP_C     STEP_5     STEP_K     STEP_E     STEP_F     STEP_S     STEP_R
1KKA1T205634     12     10.Feb.13 10:00     U     28.Feb.13 12:00     CLEAN HOUSE     18,083     8,833     2,125     0,833     4,125     0,083     0,750     0,208     2,125     0,666     0,042     7,125
1KKA1Z300612     12     08.Feb.13 14:00     F     20.Feb.13 16:00     REPAIR CAR     20,000     16,042     2,125     0,833     4,125     0,083     0,750     0,208     2,125     0,666          And now the explanation to the query result:
The AGE_1 is the difference in days between the 'CREATE_DATE' and IF EXSIST the STEP 'U' then STEP_DATE or if the STEP 'U' is not found in TABLE_2 then it should show the difference in days between the 'CREATE_DATE' and the 'SYSDATE'
The AGE_2 is the difference in days between the STEP 'A' STEP_DATE and IF EXSIST the STEP 'R' then STEP_DATE or if the STEP 'R' is not found in TABLE_2 then it should show the difference in days between the 'CREATE_DATE' and the 'SYSDATE'
The WAITING is the difference in days between CREATE_DATE and STEP 'A' STEP_DATE
The following columns show the days how long the ORDER_NR stays in these STEP, if an ORDER_NR comes into the same STEP more then one time it should be calculated together.
If the ORDER_NR skips a step it should show a zero in the specific field.
I hope my explanation is good enough, my english skills are far away from good.
Thanks all for your help.
Greets Reinhard W.

Hi,
i changed this query:
with t2 as (
            select t.*,
                    lead(step_date) over(partition by order_nr order by step_date) next_step_date
              from table_2 t
select t1.*,
        nvl(
            max(
                case t2.wo_step
                  when 'U' then t2.step_date
                end
           sysdate
          ) - t1.create_date age_1,
        nvl(
            max(
                case t2.wo_step
                  when 'R' then t2.step_date
                end
           sysdate
          ) - t1.create_date age_2,
        sum(
            case t2.wo_step
              when 'B' then t2.next_step_date - t2.step_date
            end
           ) step_b
from table_1 t1,
        t2
where t2.order_nr = t1.order_nr
group by t1.order_nr,
           t1.priority,
           t1.create_date,
           t1.act_step,
           t1.step_date,
           t1.employee,
           t1.descriptionTo this:
with t2 as (
            select t.*,
                    lead(step_date) over(partition by order_nr order by step_date) next_step_date
              from table_2 t
select t1.order_nr,
        nvl(
            max(
                case t2.wo_step
                  when 'U' then t2.step_date
                end
           sysdate
          ) - t1.create_date age_1,
        nvl(
            max(
                case t2.wo_step
                  when 'R' then t2.step_date
                end
           sysdate
          ) - t1.create_date age_2,
        sum(
            case t2.wo_step
              when 'B' then t2.next_step_date - t2.step_date
            end
           ) step_b
from table_1 t1,
        t2
where t2.order_nr = t1.order_nr
group by t1.order_nrthen i get the ORA-00979 Error.
Whats wrong?
I have another question.
How can i handle i i want to group to or more 'STEP's in one Column.
in Case of this i want that the column 'STEP_B' contains all days for STEP 'B' and STEP '5'.
I tried already with a + Operation like this:
with t2 as (
            select t.*,
                    lead(step_date) over(partition by order_nr order by step_date) next_step_date
              from table_2 t
select t1.*,
        nvl(
            max(
                case t2.wo_step
                  when 'U' then t2.step_date
                end
           sysdate
          ) - t1.create_date age_1,
        nvl(
            max(
                case t2.wo_step
                  when 'R' then t2.step_date
                end
           sysdate
          ) - t1.create_date age_2,
        Round( sum(
            case t2.wo_step
              when 'B' then t2.next_step_date - t2.step_date
            end
           ) +
        sum(
            case t2.wo_step
              when '5' then t2.next_step_date - t2.step_date
            end
           ), 3 ) step_b
from table_1 t1,
        t2
where t2.order_nr = t1.order_nr
group by t1.order_nr,
           t1.priority,
           t1.create_date,
           t1.act_step,
           t1.step_date,
           t1.employee,
           t1.descriptionBut this does reply evertime a NULL.
Thank You.

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