Problem with using database link from oracle 7 to oracle 9i

Hi To Every One
I have two oracle database oracle 7.3.4.0.1 and oracle 9i 9.2.0.1.0.
and the tns alias to connect to oracle 9i database is oracle9i and tns
alias to oracle 7 database is oracle7.I have no problem in connect to
these database using these tns aliases from either database.The tns
alias for oracle 7 is available in tnsnames.ora file of oracle9i and
tns alias for oracle 9i is available in tnsnames.ora file of oracle 7.
So there is no connection problem from each other.Connection is
working fine for each other but the problem with database links is
like this
Problem:
when i create database link from oracle9i user or public database link
from oracle9i for oracle7 user like this
SQL ORACLE9I >CREATE DATABASE LINK ORACLE7 CONNECT TO <ORACLE7USER>
IDENTIFIED BY <PASSWORD> USING 'ORACLE7';
OR
SQL ORACLE9I >CREATE PUBLIC DATABASE LINK ORACLE7 CONNECT TO <ORACLE7USER>
IDENTIFIED BY <PASSWORD> USING 'ORACLE7';
The links get created sucessfully but when i write command like
SQL ORACLE9I> DESC <ORACLE7USER_NAME>.<ORACLE7USER_TABLENAME>@ORACLE7
I RECEIVE A ORACLE ERROR LIKE
ORA-12663 SERVICE REQUIRED BY CLIENT IS NOT AVAILABLE ON THE SERVER.
OR IF MY COMMAND IS LIKE
SQL ORACLE9I> SELECT <FEILD_NAME> FROM
<ORACLE7USER_NAME>.<ORACLE7USER_TABLENAME>@ORACLE7;
I RECEIVE AN ORACLE ERROR LIKE
ORA-01002 FETCH OUT OF SEQUENCE.
ORA-02063: preceding line from ORACLE7
BUT IF I CREATE A LINK FROM ORACLE7 USER FOR ORACLE9I USER
IT WORKS FINE.
PLZ HELP ME WHAT IS THE PROBLEM THAT THE LINK FOR ORACLE 7 IS NOT WORKING WHEN
IT IS BEING CREATED FROM ORACLE9I.
Thank u.

Oracle 9.2.0 does not support connectivity to Oracle 7. The newest version that will support this is 9.0.1.

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Edited by: user11243186 on 09.06.2009 02:59

kdgmanu wrote:
Hello,
I always get the error ORA-28528.
If I try to select just one column it works, but the returned data are incomplete or truncated.
maybe you are facing bug 6772397, so do a search on metalink for bug 6772397
>
Has anybody a solution or hint for me?you could also see the following notes 554409.1 and 603801.1
Many Thanks in advance,
best regards from Austriacheers from Zagreb

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1005745 wrote:
I'm facing a problem with database links from windows oracle to Oracle hosted on Linux server.
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CONNECT TO myuser IDENTIFIED BY password
USING 'sample';
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DSOFT =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.0.100)(PORT = 1521))
(CONNECT_DATA =
(SERVICE_NAME = sample)
But while executing the query "select count(*) from doctor@SampleDB;" in sql developer on windows, I'm getting the following error
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12154. 00000 - "TNS:could not resolve the connect identifier specified"
*Cause: A connection to a database or other service was requested using
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configured. For example, if the type of connect identifier used was a
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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".
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[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
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# 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 =
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    (HS=OK)
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SID_LIST_LISTENER =
(SID_LIST =
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ERROR at line 1:
ORA-28500: connection from ORACLE to a non-Oracle system returned this message:
ORA-02063: preceding line from MYSQL
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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)
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 channel ORA_DISK_1: sid=102 devtype=DISK
 data file 1 will be created automatically during restore operation
 data file 2 will be created automatically during restore operation
 data file 3 will be created automatically during restore operation
 data file 4 will be created automatically during restore operation
 restore not done; all files readonly, offline, or already restored
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allocated channel: ORA_DISK_1
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===============
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36 B F A DISK 29-AUG-06 1 1 NO 01_CTL
37 B F A DISK 29-AUG-06 1 1 NO TAG20060829T113622
38 B A A DISK 29-AUG-06 1 1 NO TAG20060829T113804
39 B F A DISK 29-AUG-06 1 1 NO TAG20060829T113622
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===================
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File LV Type Ckp SCN Ckp Time Name
1 Full 578481 29-AUG-06 C:\ORACLE\ORADATA\LOCA10G2\SYSTEM01.DBF
2 Full 578481 29-AUG-06 C:\ORACLE\ORADATA\LOCA10G2\UNDOTBS01.DBF
3 Full 578481 29-AUG-06 C:\ORACLE\ORADATA\LOCA10G2\SYSAUX01.DBF
4 Full 578481 29-AUG-06 C:\ORACLE\ORADATA\LOCA10G2\USERS01.DBF
BS Key Size Device Type Elapsed Time Completion Time
38 650.50K DISK 00:00:00 29-AUG-06
BP Key: 38 Status: AVAILABLE Compressed: NO Tag: TAG20060829T113804
Piece Name: C:\ORACLE\FLASH_RECOVERY_AREA\LOCA10G2\BACKUPSET\2006_08_29\O1_MF_ANNNN_TAG20060829T113804_2H82QYOV_.BKP
List of Archived Logs in backup set 38
Thrd Seq Low SCN Low Time Next SCN Next Time
1 32 577277 29-AUG-06 578529 29-AUG-06
BS Key Type LV Size Device Type Elapsed Time Completion Time
39 Full 7.02M DISK 00:00:00 29-AUG-06
BP Key: 39 Status: AVAILABLE Compressed: NO Tag: TAG20060829T113622
Piece Name: C:\ORACLE\FLASH_RECOVERY_AREA\LOCA10G2\BACKUPSET\2006_08_29\O1_MF_NCSNF_TAG20060829T113622_2H82OW77_.BKP
Control File Included: Ckp SCN: 578493 Ckp time: 29-AUG-06
SPFILE Included: Modification time: 28-AUG-06
RMAN> restore database validate;
Starting restore at 04-SEP-06
using channel ORA_DISK_1
data file 1 will be created automatically during restore operation
data file 2 will be created automatically during restore operation
data file 3 will be created automatically during restore operation
data file 4 will be created automatically during restore operation
restore not done; all files readonly, offline, or already restored
Finished restore at 04-SEP-06
Is something wrong? After crosscheck backup set with system datafile is AVAILABLE.
If i tried to test existence of backup pieces on disk and permissisons - everything is OK too:
C:\>dir C:\ORACLE\FLASH_RECOVERY_AREA\LOCA10G2\BACKUPSET\2006_08_29\
Volume in drive C has no label.
Volume Serial Number is E003-9FC6
Directory of C:\ORACLE\FLASH_RECOVERY_AREA\LOCA10G2\BACKUPSET\2006_08_29
29.08.2006 11:38 <DIR> .
29.08.2006 11:38 <DIR> ..
29.08.2006 11:38 666 624 O1_MF_ANNNN_TAG20060829T113804_2H82QYOV_.BKP
29.08.2006 11:36 7 340 032 O1_MF_NCNNF_01_CTL_2H82NDQT_.BKP
29.08.2006 11:37 7 372 800 O1_MF_NCSNF_TAG20060829T113622_2H82OW77_.BKP
29.08.2006 11:36 338 657 280 O1_MF_NNNDF_TAG20060829T113622_2H82NQ58_.BKP
4 File(s) 354 036 736 bytes
2 Dir(s) 56 865 202 176 bytes free
C:\>copy C:\ORACLE\FLASH_RECOVERY_AREA\LOCA10G2\BACKUPSET\2006_08_29\ C:\ORACLE\ORADATA\LOCA10G2\
C:\ORACLE\FLASH_RECOVERY_AREA\LOCA10G2\BACKUPSET\2006_08_29\O1_MF_ANNNN_TAG20060829T113804_2H82QYOV_.BKP
C:\ORACLE\FLASH_RECOVERY_AREA\LOCA10G2\BACKUPSET\2006_08_29\O1_MF_NCNNF_01_CTL_2H82NDQT_.BKP
C:\ORACLE\FLASH_RECOVERY_AREA\LOCA10G2\BACKUPSET\2006_08_29\O1_MF_NCSNF_TAG20060829T113622_2H82OW77_.BKP
C:\ORACLE\FLASH_RECOVERY_AREA\LOCA10G2\BACKUPSET\2006_08_29\O1_MF_NNNDF_TAG20060829T113622_2H82NQ58_.BKP
4 file(s) copied.
Thanks
Pavel

Creation of database link from oracle to sql server 2000

Hi
I need to create a database link from oracle to sql server 2000.

Assuming your Oracle database is running on Windows, you can set up a database link using ODBC using Heterogeneous Services and Generic Connectivity, but there are some functional limitations (i.e. no two-phase commits). If you can live with those limitations but aren't on Windows, you can generally purchase an ODBC driver for your operating system that will connect to SQL Server through someone like DataDirect and still use Generic Connectivity. If you cannot live with those limitations, you can purchase one of Oracle's Transparent Gateway products (though this can get somewhat pricey).
What version of Oracle are you on?
What operating system(s) are you using?
What are you going to use the database link for?
Justin

Creating Database Link from Oracle to SQL Server

I am trying to create a database link from Oracle to SQL Server, and the documentation is about as clear as mud to me. Can anyone send me clear instructions on exactly what I need to do? What needs to be in tnsnames.ora and listener.ora files? Is there anything other than those two files that needs to be set up? Do I set up an ODBC connection? Anything else? I want to execute queries against a SQL Server database and load data into Oracle database.
Thanks so much,
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These are the instructions from an old document I created. The steps are same for SQL Server and Sybase. Hope it helps.
The 9i Transparent Gateway Software is in Oracle Software CD -> oracle9i database -> Custom -> Oracle Transparent Gateways
The gateway can be installed on the same machine as the Oracle database or
on the Sybase server or on a third machine as a stand-alone.
We have installed the gateway software in one of oracle database
servers in a separate oracle home.
These are the steps involved in configuring a gateway to a Sybase database
1. Install Sybase client and Gateway software on the Gateway Server
2. Configure <initsidfile> in the Gateway Server's <gatewayhome>
 /u00/app/oracle/product/9.2.0/tg4sybs/admin/init<gatewaysid>.ora
Sybase server and database information is required for this step.
eg: HS_FDS_CONNECT_INFO=USTRUD01.uwd
3. Add an entry in listener.ora in <listnenerhome>
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4. Edit the tnsnames file (/u00/app/oracle/product/9.0.1/network/admin/tnsnames.ora)
to add an entry <tnsalias> for the <gatewaysid>
5. Create a database link to the Sybase database in the oracle database.
The steps for creating the database link are
a. create a login oracle_tgw in the sybase server
b. add the user to the sybase database with the necessary privilege on the tables
c. create the database link in the required oracle database using the command
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6. Restart the gateway listener.

How to create database link from oracle to sql server

Please help with how to create database link from oracle to sql server
Best regards,
Vishal

Please help with how to create database link from oracle to sql server
Best regards,
Vishal
Hi Vishal,
I found a lof of information regarding how to create a database link from Oracle to SQL Server, please see:
https://www.google.co.in/?gws_rd=cr&ei=vd3XUvGFO8TgkAXqlYCADg#q=how+to+create+database+link+from+oracle+to+sql+server
We discuss SQL Server related issue in this forum. If you have any more question regarding Oracle, please post it in Oracle communities forum for better support.
Regards,
Elvis Long
TechNet Community Support

Database link from oracle to db2

Can any help me to create a database link from oracle to db2. It would be greatful if you can provide me detail steps

You don't give us much information to go on. What version of Oracle? What platform is DB2 running on? You might want to take a look at this. You might also look here and here.
Tom

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Hi
I need to create a database link from oracle to mysql database on windows to fetch some records.Can anyone help me on this?

Search for Transparent Gateways, Heterogeneous Services...
The Oracle SQL Developer have drivers to Access, MySQL and SQL Server.

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