OBIEE Reports over DB link

Hi,
Can we create reports over Database Link in OBIEE ??
we want to create reports wich is on another database ,we are refering the table in SQL as
apps.gl_je_lines@crp2
how can we refer this in rpd??
thanks in advanced

Any reason why you cannot map your target database tables directly to the RPD (using connection pools)? You don't need to add another server in the middle.

Similar Messages

  • Report over database link error

    Good morning all.
    I have a database link LINKA from USERA on LOCALSERVER to USERB on REMOTESERVER.
    (create database link LINKA connect to USERB identified by mypassword using validtns)
    In USERC on REMOTESERVER I have a TABLEX, with grant all on TABLEX to USERB on REMOTESERVER.
    In USERB on REMOTESERVER I have a view TABLEXV, select * from USERC.TABLEX
    From USERA on LOCALSERVER I can select * from TABLEXV@LINKA. In fact I can insert/update/delete tablexv from USERA.
    I also have a view TABLEXV on USERA, select * from TABLEXV@LINKA. I can also select/insert/update/delete from USERA.TABLEXV.
    So far so good - all working as expected.
    Then, my APEX app on LOCALSERVER, interactive report, parsing schema USERA, querying TABLEXV, I get the following:
    when "Exclude Link Column", I get the error "The requested URL /pls/apex/f was not found on server.
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    when "Link to Custom Target", I get the error "The requested URL /pls/apex/f was not found on server.
    When I run the select * from TABLEXV as a regular report (i.e. not interactive), I also get the error.
    So the only time I get the report displayed correctly is using IR and "Link to Single Row View".
    However, clicking on the link (for Single Row View) I get "The requested URL /pls/apex/wwv_flow.show was not found on this server.".
    To summarize:
    - accessing table via view over database link
    - works outside of apex without issue
    - inside only works when Link to Single Row View set
    - But clicking on link fails
    I could live with just having the Link to Singe Row View option if I could disable displaying of the icon so that the user cant click on it.
    APEX 3.2.00.27
    EE Database - 10.2.0.3 (yes I know out of support)
    Remote EE Database - 10.2.0.5
    Real object names replaced to protect the innocent!
    Anyone got any clues?
    I have used remote tables many times in my APEX applications and never had this issue.
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    Good morning all.
    I have a database link LINKA from USERA on LOCALSERVER to USERB on REMOTESERVER.
    (create database link LINKA connect to USERB identified by mypassword using validtns)
    In USERC on REMOTESERVER I have a TABLEX, with grant all on TABLEX to USERB on REMOTESERVER.
    In USERB on REMOTESERVER I have a view TABLEXV, select * from USERC.TABLEX
    From USERA on LOCALSERVER I can select * from TABLEXV@LINKA. In fact I can insert/update/delete tablexv from USERA.
    I also have a view TABLEXV on USERA, select * from TABLEXV@LINKA. I can also select/insert/update/delete from USERA.TABLEXV.
    So far so good - all working as expected.
    Then, my APEX app on LOCALSERVER, interactive report, parsing schema USERA, querying TABLEXV, I get the following:
    when "Exclude Link Column", I get the error "The requested URL /pls/apex/f was not found on server.
    when "Link to Single Row View", report displays correctly.
    when "Link to Custom Target", I get the error "The requested URL /pls/apex/f was not found on server.
    When I run the select * from TABLEXV as a regular report (i.e. not interactive), I also get the error.
    So the only time I get the report displayed correctly is using IR and "Link to Single Row View".
    However, clicking on the link (for Single Row View) I get "The requested URL /pls/apex/wwv_flow.show was not found on this server.".
    To summarize:
    - accessing table via view over database link
    - works outside of apex without issue
    - inside only works when Link to Single Row View set
    - But clicking on link fails
    I could live with just having the Link to Singe Row View option if I could disable displaying of the icon so that the user cant click on it.
    APEX 3.2.00.27
    EE Database - 10.2.0.3 (yes I know out of support)
    Remote EE Database - 10.2.0.5
    Real object names replaced to protect the innocent!
    Anyone got any clues?
    I have used remote tables many times in my APEX applications and never had this issue.
    Thanks,
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  • Interactive report performance problem over database link - Oracle Gateway

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    This is regarding a thread Interactive report performance problem over database link that was posted by Samo.
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    Any idea how to use sub-factoring for the above scenario? Or others method (creating view or materialized view are not an option).
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    By now you should understand the idea of what I termed 'sub-factoring' in a previous post. This is to do with using the WITH blah AS (SELECT... syntax. Now in most circumstances this 'materialises' the results of the inner select statement. This means that we 'get' the results then do something with them afterwards. It's a handy trick when dealing with remote sites as sometimes you want the remote database to do the work. The reason that I ask you to use the MATERIALIZE hint for testing is just to force this, in 99.99% of cases this can be removed later. Using the WITH statement is also handled differently to inline view like SELECT * FROM (SELECT... but the same result can be mimicked with a NO_MERGE hint.
    Looking at your case I would be interested to see what the explain plan and results would be for something like the following two statements (sorry - you're going have to check them, it's late!)
    WITH a AS
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    FROM table_one),
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    (SELECT /*+ MATERIALIZE */ *
    FROM table_two),
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    (SELECT  b.col3 x
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    FROM table_one a
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    (SELECT /*+ MATERIALIZE */ *
    FROM table_one),
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    (SELECT /*+ MATERIALIZE */ *
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    AND   a.col4 = 100
    AND   b.col5 = a.col5If the remote tables are at the same site, then you should have the same results. If they aren't you should get the same results but different to the original query.
    We aren't being told the real cardinality of the inners select here so the explain plan is distorted (this is normal for queries on remote and especially non-oracle sites). This hinders tuning normally but I don't think this is your problem at all. How many distinct values do you normally get of the column aliased 'x' and how many rows are normally returned in total? Also how are you testing response times, in APEX, SQL Developer, Toad SQLplus etc?
    Sorry for all the questions but it helps to answer the question, if I can.
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    Ben
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