Database link 11gR2 - 8.1.7

Hi,
Is it possible to create a database link at a 11gR2 database pointing to an instance of 8.1.7?
Regards

direct linking 11 to 8 is jsut not supported. it may work depending on what youre calling over the link. it may not. I wouldnt waste time troubleshooting it.
theres a proven workaround of Building a 9.2.0.8 intermediary database either on the 11 or the 8 server, whicher OS will support it, then be clever with synonyms and links between the 3 instances.
Could also try hetero services.

Similar Messages

  • Create a database link to access SqlServer 2005 view from oracle 11gr2

    Hi All,
    Greetings for the day.
    Though I have seen quite a few posts but just wanted to cross-verfiy and double check hence posting.
    Oracle Database : 11gr2
    OS :SOLARIS SPARC 64 Bit
    SQL Server Database : Sql Server 2005
    OS : Windows 2003 32 Bit
    The requirement is to access a view residing in the SQL Server 2005 Database using the Oracle Database. This involves creation of a Database link in the Oracle Database to access the SQL Server.
    Can you suggest which approach should i follow ( I am able to understand that both do the same job ):
    How to Configure DG4MSQL (Oracle Database Gateway for MS SQL Server) 64bit Unix OS (Linux, Solaris, AIX,HP-UX) post install [ID 562509.1]or
    How to Configure DG4ODBC on 64bit Unix OS (Linux, Solaris, AIX, HP-UX Itanium) to Connect to Non-Oracle Databases Post Install [ID 561033.1]Will they do the same job ? And can they be used on any OS and version of the SQL Server Database as version information for SQL Server is not specified anywhere?
    Please let me know so that I can it forward with Business for approvals and budgetting.
    Regards
    KK

    Your question is similar to the post: Oracle 11gr2 connection to Sql Server using dg4msql problem
    Please visit: http://stackoverflow.com/questions/4658942/oracle-11gr2-connection-to-sql-server-using-dg4msql-problem
    Answer on the website:
    You seem to be using the Gateway for MySQL set-up rather than the Heterogeneous Gateway (for ODBC connections). Here is an overview of the process
    On SQL Server create a database user and give it read access to the database/tables you want to read via the Oracle database link.
    In the gateway home each SQL Server database you want to access should have an init.ora located in $OH/dg4msql/admin in the form initsid.ora where sid is the name of the database to be used in the link (e.g. initbob.ora), so create one
    HS_FDS_CONNECT_INFO=msserver1:1234//Example_Database
    HS_FDS_TRACE_LEVEL=OFF
    HS_FDS_RECOVERY_ACCOUNT=RECOVER
    HS_FDS_RECOVERY_PWD=RECOVER
    HS_TRANSACTION_MODEL=READ_ONLY
    You must now add the new sid to the listener.ora in the gateway home using an additional SID_DESC section inside the existing SID_LIST, for example
    (SID_DESC =
    (SID_NAME=bob)
    (ORACLE_HOME=/oracle/gateway/product/11.2.0)
    (ENVS=LD_LIBRARY_PATH=/oracle/gateway/product/11.2.0/dg4msql/driver/lib;/oracle/gateway/product/11.2.0/lib)
    (PROGRAM=dg4msql)
    You should now stop and restart the gateway listener so that the new sid becomes active. NB a reload is not enough.
    You must now add the new sid in the tnsnames.ora file for the listener of each database in which you will create a link. You don't need to do this in the gateway home unless it is also a database home in which you will create a database link.
    bob =
    (DESCRIPTION =
    (ADDRESS = (PROTOCOL = TCP)(HOST = severname.example.com)(PORT = 1690))
    (CONNECT_DATA = (SID = bob))
    (HS = OK)
    NB: The host and port are for the gateway not for the SQL Server database
    In each database that requires a link to the MS-SQL database you should create a database link to your new gateway sid.
    CREATE PUBLIC DATABASE LINK bob
    CONNECT TO "ms_user" IDENTIFIED BY "ms-passwd" USING 'bob';
    where ms-user and ms-password are the SQL Server user you created right at the start.
    Now you can test the new database link
    SELECT COUNT(*) FROM "Table_Name"@bob;
    Once you have this working you can alter the initsid.ora file to add parameters to suit your connection. If you do it this way you can easily add and manage many different databases via the gateway.
    Hip
    Edited by: 1000595 on 04:58 17-04-2013

  • Database link from Oracle to MySQL

    I tried and googled an tried again...but I can't get this to work. So if you can spare a moment, please help me out (or try to ;-) ).
    Environment:
    The Oracle Developer Days Virtual Box image, so that's 11gR2 EE on OEL. MySQL 5.1.51-community + mysql-connector-odbc-5.1.7-0.i386.rpm
    1. Created a database called test in MySQL, with a user "oracle" and a password "123".
    2. Created the file /home/oracle/.odbc.ini with as contents:
    [ODBC Data Sources]
    myodbc5 = MySQL ODBC 5.1.7 Driver DSN
    [myodbc5]
    DRIVER      = /usr/lib/libmyodbc5.so
    DESCRIPTION = MySQL ODBC 5.1.7 Driver DSN
    SERVER      = 127.0.0.1
    PORT        = 3306
    USER        = oracle
    PASSWORD    = 123
    DATABASE    = test
    CHARSET     = latin13. Created the file /home/oracle/app/oracle/product/11.2.0/dbhome_1/hs/admin/initmyodbc5.ora
    # HS init parameters
    HS_FDS_CONNECT_INFO=myodbc5
    HS_FDS_TRACE_LEVEL=DEBUG
    HS_FDS_SHAREABLE_NAME=/usr/lib/libmyodbc5.so
    HS_LANGUAGE=AMERICAN.AMERICA.WE8ISO8859P15
    HS_FDS_SUPPORT_STATISTICS=FALSE
    # HS_NLS_NCHAR=AL32UTF8
    # ODBC specific environment variables
    set ODBCINI=/home/oracle/.odbc.ini
    set ODBCINSTINI=/home/oracle/.odbc.ini
    set LD_LIBRARY_PATH=$ORACLE_HOME/lib:$ORACLE_HOME/hs/lib:/usr/lib
    # Environment variables required for the non-Oracle system
    set HOME=/home/oracle4. Added to tnsnames.ora :
    dg4odbc =
      (DESCRIPTION =
        (ADDRESS_LIST =
           (ADDRESS = (PROTOCOL = TCP)(HOST = localhost)(PORT = 1521))
        (CONNECT_DATA = (SID=myodbc5))
        (HS=OK)
      )5. Added to listener.ora (and restarted it) :
    SID_LIST_LISTENER =
      (SID_LIST =
        (SID_DESC =
          (ORACLE_HOME = /home/oracle/app/oracle/product/11.2.0/dbhome_1)
          (SID_NAME = myodbc5)
          (PROGRAM = dg4odbc)
          (ENVS ="LD_LIBRARY_PATH=$ORACLE_HOME/lib:$ORACLE_HOME/hs/lib:/usr/lib:/lib")
      )6. Ran some tests:
    a. isql dg4odbc -> Connected!
    b. tnsping dg4odbc -> OK
    c. lsnrctl status -> Service "myodbc5" has 1 instance(s). Instance "myodbc5", status UNKNOWN, has 1 handler(s) for this service...
    d. in SQLPLUS (as system): create public database link mysql connect to "oracle" identified by "123" using 'dg4odbc';
    e. select * from test@mysql ("test" is a simple table I created in the MySQL DB) returns
    ERROR at line 1:
    ORA-28500: connection from ORACLE to a non-Oracle system returned this message:
    ORA-02063: preceding line from MYSQL
    When I look in the trace file (in $ORACLE_HOME/hs/log) I see at the bottom of the file:
    HOSGIP for "HS_FDS_SHAREABLE_NAME" returned "/usr/lib/libmyodbc5.so"
    Entered hgolofns at 2010/11/02-14:10:54
    hoaerr:28500
    Exiting hgolofns at 2010/11/02-14:10:54
    Failed to load ODBC library symbol: /usr/lib/libmyodbc5.so(SQLAllocHandle)
    Exiting hgolofn, rc=28500 at 2010/11/02-14:10:54
    Exiting hgoinit, rc=28500 with error ptr FILE:hgoinit.c LINE:337 FUNCTION:hgoinit() ID:Loading ODBC aray of function ptrs
    Entered hgoexit
    HS Gateway:  NULL connection context at exit
    Exiting hgoexit, rc=0 with error ptr FILE:hgoexit.c LINE:108 FUNCTION:hgoexit() ID:Connection contextAfter Googling around I found out that all files are 32-bit (was on issue somewhere else)...and now I am stuck!
    Any ideas, tips etc on how to proceed???
    TIA
    Roel

    The ODBC Trace contains:
    [ODBC][3331][1288788738.867244][__handles.c][459]
                    Exit:[SQL_SUCCESS]
                            Environment = 0x92b0d08
    [ODBC][3331][1288788738.869179][SQLSetEnvAttr.c][189]
                    Entry:
                            Environment = 0x92b0d08
                            Attribute = SQL_ATTR_ODBC_VERSION
                            Value = 0x3
                            StrLen = -6
    [ODBC][3331][1288788738.869204][SQLSetEnvAttr.c][356]
                    Exit:[SQL_SUCCESS]
    [ODBC][3331][1288788738.879396][SQLAllocHandle.c][375]
                    Entry:
                            Handle Type = 2
                            Input Handle = 0x92b0d08
    [ODBC][3331][1288788738.879422][SQLAllocHandle.c][493]
                    Exit:[SQL_SUCCESS]
                            Output Handle = 0x92c2940
    [ODBC][3331][1288788738.879449][SQLSetConnectAttrW.c][332]
                    Entry:
                            Connection = 0x92c2940
                            Attribute = SQL_ATTR_AUTOCOMMIT
                            Value = (nil)
                            StrLen = -5
    [ODBC][3331][1288788738.879467][SQLSetConnectAttrW.c][616]
                    Exit:[SQL_SUCCESS]
    [ODBC][3331][1288788738.879694][SQLDriverConnectW.c][290]
                    Entry:
                            Connection = 0x92c2940
                            Window Hdl = (nil)
                            Str In = [DNdm;I=eoPDdm][length = 26]
                            Str Out = 0x92b1cf8
                            Str Out Max = 1024
                            Str Out Ptr = 0xbfe66270
                            Completion = 0
    [ODBC][3331][1288788738.879718][SQLDriverConnectW.c][500]Error: IM002
    [ODBC][3331][1288788738.879810][SQLGetDiagRecW.c][508]
                    Entry:
                            Connection = 0x92c2940
                            Rec Number = 1
                            SQLState = 0xbfe65f70
                            Native = 0xbfe65f90
                            Message Text = 0xbfe65d38her
                            Buffer Length = 510
                            Text Len Ptr = 0xbfe65fa8
    [ODBC][3331][1288788738.879835][SQLGetDiagRecW.c][550]
                    Exit:[SQL_SUCCESS]
                            SQLState = IM002
                            Native = 0xbfe65f90 -> 0
                            Message Text = [[unixODBC][Driver Manager]Data source name not found, and no default driver specified]
    [ODBC][3331][1288788738.879865][SQLGetDiagRecW.c][508]
                    Entry:
                            Connection = 0x92c2940
                            Rec Number = 2
                            SQLState = 0xbfe65f70
                            Native = 0xbfe65f90
                            Message Text = 0xbfe65d38
                            Buffer Length = 510
                            Text Len Ptr = 0xbfe65fa8
    [ODBC][3331][1288788738.879882][SQLGetDiagRecW.c][550]
                    Exit:[SQL_NO_DATA]
    [ODBC][3331][1288788738.879942][SQLDisconnect.c][208]
                    Entry:
                            Connection = 0x92c2940
    [ODBC][3331][1288788738.879958][SQLDisconnect.c][237]Error: 08003
    [ODBC][3331][1288788738.880005][SQLFreeHandle.c][286]
                    Entry:
                            Handle Type = 2
                            Input Handle = 0x92c2940
    [ODBC][3331][1288788738.880023][SQLFreeHandle.c][337]
                    Exit:[SQL_SUCCESS]
    [ODBC][3331][1288788738.903716][SQLFreeHandle.c][219]
                    Entry:
                            Handle Type = 1
                            Input Handle = 0x92b0d08So there is an error (IM002) in there, saying it can't find the Data Source Name..
    Some addtional tests I ran:
    dltest /usr/local/lib/libodbc.so returns SUCCESS: Loaded /usr/local/lib/libodbc.so
    ldd /usr/local/lib/libodbc.so returns
    linux-gate.so.1 => (0x00a44000)
    libdl.so.2 => /lib/libdl.so.2 (0x00a22000)
    libpthread.so.0 => /lib/libpthread.so.0 (0x00110000)
    libc.so.6 => /lib/libc.so.6 (0x005b1000)
    /lib/ld-linux.so.2 (0x00736000)
    So it can find and load the necessary libraries (afaik)..
    So any ideas left??

  • Database Link Error: From Oracle to SQL Servre

    Hi,
    I am trying to create a database link from my Oracle database to SQL Server. Oacle is 11gR2 on windows 2012 64-Bit same is the OS for SQL Server.
    When i execute the query using link, this is the error what i get:
    *ORA-28545: error diagnosed by Net8 when connecting to an agent*
    *Unable to retrieve text of NETWORK/NCR message 65535*
    *ORA-02063: preceding 2 lines from PMS2KPI*
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    30-OCT-2014 09:51:48 * (CONNECT_DATA=(SID=pms2kpi)(CID=(PROGRAM=)(HOST=GARMCO\GRBHORDB01)(USER=GARMCO\PMS2Admin))) * (ADDRESS=(PROTOCOL=tcp)(HOST=fe80::54d2:d482:edf0:8543%12)(PORT=52016)) * establish * pms2kpi * 12518
    TNS-12518: TNS:listener could not hand off client connection
    TNS-12560: TNS:protocol adapter error
      TNS-00530: Protocol adapter error
       64-bit Windows Error: 2: No such file or directory
    30-OCT-2014 09:51:48 * (CONNECT_DATA=(SID=pms2kpi)(CID=(PROGRAM=)(HOST=GARMCO\GRBHORDB01)(USER=GARMCO\PMS2Admin))) * (ADDRESS=(PROTOCOL=tcp)(HOST=10.107.145.26)(PORT=52017)) * establish * pms2kpi * 12518
    TNS-12518: TNS:listener could not hand off client connection
    TNS-12560: TNS:protocol adapter error
      TNS-00530: Protocol adapter error
       64-bit Windows Error: 2: No such file or directory
    Thu Oct 30 09:52:58 201
    When I look for the details in *alert.log* file, i find this
    HS:  Unable to establish RPC connection to HS Agent...
    HS:  ... Agent SID = (DESCRIPTION=(ADDRESS_LIST=(ADDRESS=(COMMUNITY=tcp.world)(PROTOCOL=TCP)(Host=GRBHORDB01.garmco.local)(Port=1521)))(CONNECT_DATA=(SID=pms2kpi))),
    NCR error = 65535 Unable to retrieve text of NETWORK/NCR message 65535
    Thu Oct 30 09:52:25 2014
    My configuration seems to be ok....
    *initpms2kpi.ora file*
    #HS_FDS_CONNECT_INFO=[GRBHSQDB01.garmco.local]/KPI
    HS_FDS_CONNECT_INFO="SERVER=GRBHSQDB01;DATABASE=KPI"
    HS_FDS_TRACE_LEVEL=OFF
    HS_FDS_RECOVERY_ACCOUNT=HS_RECOVERY
    HS_FDS_RECOVERY_PWD=********
    HS_FDS_TRANSACTION_LOG=HS_TRANSACTION_LOG
    HS_FDS_TRANSACTION_MODEL=COMMIT_CONFIRM
    HS_COMMIT_POINT_STRENGTH=0
    *Listener.ora file*
        (SID_DESC =
          (SID_NAME = pms2kpi)
          (ORACLE_HOME = C:\App\Oracle\product\11.2.0\dbhome_1)
          (program = tg4msql)
    *tnsnames.ora file*
    pms2kpi =
      (DESCRIPTION =
        (ADDRESS_LIST =
          (ADDRESS = (COMMUNITY = tcp.world) (PROTOCOL = TCP)(Host = GRBHORDB01.garmco.local)(Port = 1521))
        (CONNECT_DATA =
          (SID = pms2kpi)
       (HS=OK)
    How can I check if some firewall is blocking the connection, or its a port issue... or maybe something wrong in the configuration, but chances are very less for this.
    Kindly help if you have gone thru such an error.
    Regards, Imran

    Hi,
      In the listener.ora you have -
       (program = tg4msql)
    but with 11g gateways the executable name has been changed and you should change the entry to -
       (program = dg4msql)
    then stop and start the listener.
    If you installed the gateway into an existing ORACLE_HOME then the gateway version must be the same version as the software already installed.
    For example, if the existing software was 11.2.0.4 and you  installed 11.2.0.1 gateway this will give you problems and most likely the gateway executable will be 0 (zero) in size.
    Regards,
    Mike

  • How to sync primary and standby database in 11GR2 on linux

    Hi ,
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    Are you trying to setup a new standby or sync an existing standby database?
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    Also check out this post from a few days ago its dealing with similar issues.
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    If you find this helpful please mark it so.
    Edited by: mseberg on Jul 20, 2011 4:37 PM

  • Is database link only 'valid' for instances in the same server?

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    user10127912 wrote:
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  • Export Database Link & Public Synonyms using Expdp

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  • ERROR WHILE CREATING A DATABASE LINK USING HETEROGENEOUS SERVICES

    I'm creating a database link with the Oracle Dataware Builder, and i get the following error:
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    Nombre de la Clase: CacheMediator.
    Nombre del Método: getDDEntryFromDB.
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    Probando...
    Fallo.
    SQL Exception
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    Nombre del Método: getDDEntryFromDB.
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    Right places to ask this question are
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  • Creation of Database link and access the same plus Snapshot creation

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    null

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    create index xin3 on indexes20plus (n3);
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    SQL> SQL>
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    SQL> SQL> create index xin4 on indexes20plus (n4);
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    SQL> SQL>
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    SQL> SQL> create index xin7 on indexes20plus (n7);
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    SQL> SQL> create index xin8 on indexes20plus (n8);
    Index created.
    SQL> SQL> create index xin9 on indexes20plus (n9);
    Index created.
    SQL>
    SQL> create index xin10 on indexes20plus (n10);
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    SQL> SQL> create index xin11 on indexes20plus (n11);
    create index xin12 on indexes20plus (n12);
    create index xin13 on indexes20plus (n13);
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    SQL> SQL>
    Index created.
    SQL> SQL>
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    SQL> SQL> create index xin14 on indexes20plus (n14);
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    SQL> SQL> create index xin15 on indexes20plus (n15);
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    SQL>
    SQL> create index xin16 on indexes20plus (n16);
    Index created.
    SQL>
    SQL> create index xin17 on indexes20plus (n17);
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    SQL> SQL> create index xin18 on indexes20plus (n18);
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    SQL> SQL> create index xin19 on indexes20plus (n19);
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    no rows selected
    Execution Plan
    Plan hash value: 441368878
    | Id | Operation | Name | Rows | Bytes | Cost (%CPU
    )| Time | Inst |
    | 0 | SELECT STATEMENT REMOTE | | 1 | 351 | 1 (0
    )| 00:00:01 | |
    | 1 | TABLE ACCESS BY INDEX ROWID| INDEXES20PLUS | 1 | 351 | 1 (0
    )| 00:00:01 | LVPRD |
    |* 2 | INDEX RANGE SCAN | XIN1 | 1 | | 1 (0
    )| 00:00:01 | LVPRD |
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    Note
    - fully remote statement
    - dynamic sampling used for this statement
    Statistics
    0 recursive calls
    0 db block gets
    0 consistent gets
    0 physical reads
    0 redo size
    1897 bytes sent via SQL*Net to client
    481 bytes received via SQL*Net from client
    1 SQL*Net roundtrips to/from client
    0 sorts (memory)
    0 sorts (disk)
    0 rows processed
    SQL> select * from gurnish.indexes20plus@lvoprds where n21 = 4;
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    Execution Plan
    Plan hash value: 2929530649
    | Id | Operation | Name | Rows | Bytes | Cost (%CPU
    )| Time | Inst |
    | 0 | SELECT STATEMENT REMOTE | | 1 | 351 | 1 (0
    )| 00:00:01 | |
    | 1 | TABLE ACCESS BY INDEX ROWID| INDEXES20PLUS | 1 | 351 | 1 (0
    )| 00:00:01 | LVPRD |
    |* 2 | INDEX RANGE SCAN | XIN21 | 1 | | 1 (0
    )| 00:00:01 | LVPRD |
    Predicate Information (identified by operation id):
    2 - access("A1"."N21"=4)
    Note
    - fully remote statement
    - dynamic sampling used for this statement
    Statistics
    1 recursive calls
    0 db block gets
    0 consistent gets
    0 physical reads
    0 redo size
    1897 bytes sent via SQL*Net to client
    481 bytes received via SQL*Net from client
    1 SQL*Net roundtrips to/from client
    0 sorts (memory)
    0 sorts (disk)
    0 rows processed
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