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Thread: data base link

  1. #11
    Join Date
    Apr 2003
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    Vijayawada-INDIA
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    DATABASE LINK

    DEAR ALL,

    IN OUR COMPANY
    DB_NAME=ORCL,DB_DOMAIN=US.ACME.COM CONNECT STRING=ORACLE8I
    FOR ORACLE8I SERVER

    WHEN I CREATED DATA BASE LINK FROM ORACLE8 SERVER
    USING THE FOLLOWING SYNTAX

    SQL> CREATE DATABASE LINK ORCL.US.ACME.COM CONNECT TO SCOTT IDENTIFIED BY TIGER USING 'ORCLE8I'

    THEN LINK IS SUCCESSFULLY CREATED.

    BUT WHEN I AM ACCESSING THE DATA FROM ORACLE8I USING THE FOLLOWING SYNTAX

    SQL>SELECT * FROM TAB@ORCL.US.ACME.COM

    THEN THE ERROR
    TNS:COULD NOT RESOLVE SERVICE NAMES
    IS COMING

    AND THE SAME ERROR IS COMING WHEN LINK IS CREATED BET. ORACLE8 TO ORACLE8.

    BUT IAM ABLE TO ACCESS ORACLE8 DATA FROM ORACLE8I

    BY READING UR MESG, I CHANGED TO SID TO SERVICENAME FOR ORACLE8 NETSERVICE WHICH HAS VALUE ORCL.

    I MEAN FOR ORACLE8,ORACLE8I WE HAVE SAME DB_NAME=ORCL.

    I CHANGED FROM SID TO SERVICENAME FOR NETSERVICE NAME THRU NET8 ASSISTANT AND SAVED BUT I DINT SHUTDOWN THE SYSTEM.

    SO PLZ HELP ME..
    THANKS IN ADVANCE

  2. #12
    Join Date
    May 2001
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    736
    Why don't u go through all discussions in this thread this is very similar to your question. One more thing is better put your questions in a new thread.

  3. #13
    Join Date
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    Bangalore ( India )
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    iN SQLNET.ora set the defualt domain as US.ACME.COM
    i.e NAMES.DEFAULT_DOMAIN = US.ACME.COM

    or

    use the syntax as below to create DB link

    CREATE DATABASE LINK ORCL.US.ACME.COM CONNECT TO SCOTT IDENTIFIED BY TIGER USING '%SID%.US.ACME.COM ';

    or follow as amar said, i.e edit ur TNS names and put (in connect string) SID and not Service Name.

    Abhay.
    funky...

    "I Dont Want To Follow A Path, I would Rather Go Where There Is No Path And Leave A Trail."

    "Ego is the worst thing many have, try to overcome it & you will be the best, if not good, person on this earth"

  4. #14
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    Location
    Bangalore ( India )
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    Originally posted by akhadar
    Why don't u go through all discussions in this thread this is very similar to your question. One more thing is better put your questions in a new thread.
    Akhadar :

    I think he has read the thread, but quite really he didnt get it i suppose...coz in this post he said

    BY READING UR MESG, I CHANGED TO SID TO SERVICENAME FOR ORACLE8 NETSERVICE WHICH HAS VALUE ORCL.

    I MEAN FOR ORACLE8,ORACLE8I WE HAVE SAME DB_NAME=ORCL.

    I CHANGED FROM SID TO SERVICENAME FOR NETSERVICE NAME THRU NET8 ASSISTANT AND SAVED BUT I DINT SHUTDOWN THE SYSTEM.
    .


    Abhay.
    funky...

    "I Dont Want To Follow A Path, I would Rather Go Where There Is No Path And Leave A Trail."

    "Ego is the worst thing many have, try to overcome it & you will be the best, if not good, person on this earth"

  5. #15
    Join Date
    May 2001
    Posts
    736
    Originally posted by abhaysk
    Akhadar :

    I think he has read the thread, but quite really he didnt get it i suppose...coz in this post he said

    .


    Abhay.
    If iam right it is she not he

  6. #16
    Join Date
    Dec 2002
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    Bangalore ( India )
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    2,434
    Originally posted by akhadar
    If iam right it is she not he
    watever, cant really make out from ID.

    Abhay.
    funky...

    "I Dont Want To Follow A Path, I would Rather Go Where There Is No Path And Leave A Trail."

    "Ego is the worst thing many have, try to overcome it & you will be the best, if not good, person on this earth"

  7. #17
    Join Date
    Apr 2003
    Location
    Vijayawada-INDIA
    Posts
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    hi all,

    i tried all ways ,
    but iam getting the same error:
    ORA-12154: TNS:could not resolve service name

    its happening only when accessing data from oracle8i to oracle8
    and from oracle8 to oracle8

    so plz help me to solve the problem

    thanking u

  8. #18
    Join Date
    Nov 2002
    Location
    Geneva Switzerland
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    9 times out of 10 it is those d*****d domain names that get you - real head-banging stuff. When all fails, try debugging: put

    TRACE_FILE_CLIENT=sqltrace
    TRACE_DIRECTORY_CLIENT=C:\TEMP
    TRACE_LEVEL_CLIENT=ADMIN

    or similar in your sqlnet.ora on the "local" server and try to SQLPLUS from it to the other server (the one with the remote db).

    If you use TAB@ORCL.US.ACME.COM then you will need a ORCL.US.ACME.COM= section in tnsnames.ora (I don't see this posted . . . )
    "The power of instruction is seldom of much efficacy except in those happy dispositions where it is almost superfluous" - Gibbon, quoted by R.P.Feynman

  9. #19
    Join Date
    Nov 2002
    Location
    Geneva Switzerland
    Posts
    3,142
    Originally posted by DaPi
    If you use TAB@ORCL.US.ACME.COM then you will need a ORCL.US.ACME.COM= section in tnsnames.ora (I don't see this posted . . . )
    This is CR*P - brain was switched off.
    "The power of instruction is seldom of much efficacy except in those happy dispositions where it is almost superfluous" - Gibbon, quoted by R.P.Feynman

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