Help with Access connecting to a Oracle DB on a Windows 7-64bit workstation

Hello:
Here's my configuration:
OS: Windows 7-64bit
Oracle DBMS: 11g
I am trying to connect to a 11g DB from within Access.
I launched the ODBC Administrator from c:\windows\syswow64 directory as an Administrator (which I undertstand is the 32-bit version). When I tried to set up a new DSN, I encountered two problems:
1. The TNS Service Name dropdown has a slew of entries with funny characters. However, it did not include my TNS Entry.
2. I manually entered my TNSName. It did ask me for the username and password. When I tested the connection, I got an error "ORA-12154"
Any help to resolve the issue will be much appreciated.
Venki

Senthil:
What should it point to?
Anyway, I re-installed both the 64-bit Oracle DB and the 32-bit client. There are two sets of TNSNames.Ora, Listener.Ora and SQLNet.ora, one for the 64-bit and one for the 32-bit in their respective folders.
I have no problem creating an ODBC DSN for the 64-bit version. The link connects fine to the DB
I have two TNS Listeners defined, one for the 64-bit and one for the 32-bit. While the 64-bit uses Port 1521, I am using Port 1522 for the 32-bit; I also made sure that Listener.ora refers to the same port. But when I use Oracle Net Configuration Assistant to configure Local Net Service Name Configuration to test the Service, it says "TNS:listener does not currently know of the service requested in connect descriptor.
I did check that both the TNS Listener services are running.
venki

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(     parent          CHAR(25)
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INSERT INTO     bom_test
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INSERT INTO     bom_test
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(     part_nbr     CHAR(25)
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INSERT INTO     part_test
VALUES     ('101-34','P');
INSERT INTO     part_test
VALUES     ('A-109-347','P');
INSERT INTO     part_test
VALUES     ('ABC-100G','M');
INSERT INTO     part_test
VALUES     ('1A247G01','P');
INSERT INTO     part_test
VALUES     ('70052','P');
INSERT INTO     part_test
VALUES     ('M9532-278','P');
INSERT INTO     part_test
VALUES     ('X525-101','M');
INSERT INTO     part_test
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,     b.component
,     b.parent
,     b.qty_per
FROM     bom_test b
START WITH          b.parent     = 'ABC-1'
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      1.000 101-34                    ABC-1                          10.000
      1.000 A-109-347                 ABC-1                           2.000
      1.000 ABC-100G                  ABC-1                           1.000
      2.000 70052                     ABC-100G                       18.000
      2.000 M9532-278                 ABC-100G                        5.000
      1.000 1A247G01                  ABC-1                           2.000
      2.000 X525-101                  1A247G01                        2.000
      3.000 R245-9010                 X525-101                        2.000
      2.000 1062-324                  1A247G01                        2.000
9 rows selected....but I only want the branches (children, grandchildren, etc.) of part type 'M'.
e.g.:
      LEVEL COMPONENT                 PARENT                        QTY_PER
      1.000 101-34                    ABC-1                          10.000
      1.000 A-109-347                 ABC-1                           2.000
      1.000 ABC-100G                  ABC-1                           1.000
      2.000 70052                     ABC-100G                       18.000
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Hi,
user11033437 wrote:
First, I'm working in 8i.
My problem is, I keep getting the error ORA-01437: cannot have join with CONNECT BY.
And, the reason I get that error is because one of the criteria I need to use to prune some branches with is in another table... Is there anyway to work around this? I tried an in-line view (but got the same error). Post your query. It's very hard to tell what you're doing wrong if we don't know what you're doing.
...but I only want the branches (children, grandchildren, etc.) of part type 'M'.
e.g.:
LEVEL COMPONENT                 PARENT                        QTY_PER
1.000 101-34                    ABC-1                          10.000
1.000 A-109-347                 ABC-1                           2.000
1.000 ABC-100G                  ABC-1                           1.000
2.000 70052                     ABC-100G                       18.000
2.000 M9532-278                 ABC-100G                        5.000
1.000 1A247G01                  ABC-1                           2.000
You mean you want don't want the descendants (children, grandchildren, etc.) of any component whose part_type is not 'M'.
The part_type of the component itself doesn't matter: component '101-34' is included, even though its part_type is 'P', and component 'X525-101' is excluded, even though its part_type is 'M'.
>
Any suggestions?Sorry, I don't have an Oracle 8.1 database at hand now. All three of the queries below get the correct results in Oracle 10.2, and I don't believe they do anything that isn't allowed in 8.1.
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I believe you can do one first, then the other, using in-line views. The frist two queries do the join first.
--     Query 1: Join First
SELECT     LEVEL
,     component
,     parent
,     qty_per
FROM     (     -- Begin in-line view to join bom_test and part_test
          SELECT     b.component
          ,     b.parent
          ,     b.qty_per
          ,     p.part_type     AS parent_type
          FROM     bom_test     b
          ,     part_test     p
          WHERE     p.part_nbr     = b.parent
     )     -- End in-line view to join bom_test and part_test
START WITH     parent     = 'ABC-1'
CONNECT BY     parent          = PRIOR component
     AND     parent_type     = 'M'
;Query 2 is very much like Query 1, but it does more filtering in the sub-query, returning only rows hose part_type or whose parent's part_type is 'M". Your desired result set will be a tree taken entirely from this set. Query 2 may be faster, because the sub-query is more selective, but then again, it may be slower because it has to do an extra join.
{code}
-- Query 2: Join first, prune in sub-query
SELECT     LEVEL
,     component
,     parent
,     qty_per
FROM     (     -- Begin in-line view to join bom_test and part_test
          SELECT     b.component
          ,     b.parent
          ,     b.qty_per
          ,     p.part_type     AS parent_type
          FROM     bom_test     b
          ,     part_test     p
          ,     part_test     c
          WHERE     p.part_nbr     = b.parent
          AND     c.part_nbr     = b.component
          AND     'M'          IN (c.part_type, p.part_type)
     )     -- End in-line view to join bom_test and part_test
START WITH     parent     = 'ABC-1'
CONNECT BY     parent          = PRIOR component
     AND     parent_type     = 'M'
{code}
Query 3, below, takes a completely different approach. It does the CONNECT BY query first, then does a join to see what the parent's part_type is. We can easily cut out all the nodes whose parent's part_type is not 'M', but that will leave components like 'R245-9010' whose parent has part_type 'M', but should be excluded because its parent is excluded. To get the correct results, we can do another CONNECT BY query, using the same START WITH and CONNECT BY conditions, but this time only looking at the pruhed results of the first CONNECT BY query.
{code}
--     Query 3: CONNECT BY, Prune, CONNECT BY again
SELECT     LEVEL
,     component
,     parent
,     qty_per
FROM     (     -- Begin in-line view of 'M' parts in hierarchy
          SELECT     h.component
          ,     h.parent
          ,     h.qty_per
          FROM     (     -- Begin in-line view h, hierarchy from bom_test
                    SELECT     component
                    ,     parent
                    ,     qty_per
                    FROM     bom_test
                    START WITH     parent     = 'ABC-1'
                    CONNECT BY     parent     = PRIOR component
               ) h     -- End in-line view h, hierarchy from bom_test
          ,     part_test     p
          WHERE     p.part_nbr     = h.parent
          AND     p.part_type     = 'M'
     )     -- End in-line view of 'M' parts in hierarchy
START WITH     parent     = 'ABC-1'
CONNECT BY     parent     = PRIOR component
{code}
I suspect that Query 3 will be slower than the others, but if the CONNECT BY query is extremely selective, it may be better.
It would be interesting to see your findings using the full tables. Please post your observations and the explain plan output.
As usual, your message is a model of completeness and clarity:
<ul>
<li>good sample data,
<li> posted in a way people can use it,
<li>clear results,
<li> good explanation
<li> nciely formatted code
</ul>
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noDNSSuffix.cmd
===============
cscript "c:\Users\JohnDoe\Documents\Scripts\noDNSsuffix.vbs"
noDNSSuffix.vbs
===============
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