Creating Database link from Oracle9i to SQL server 2000

Pls how do I create connectivity from Oracle9i database to query a table in an SQL server 2000 database.
Pls I need the necessary steps to take.
Thanx

There are 2 solutions that you can use:
1) Transparent Gateway for SQL Server
2) Generic Connectivity
Generic Connectivity is free with the database but has less features than the Gateway. For Generic Connectivity you will need to obtain an ODBC driver.
The steps for using the gateway are available in the gateway manual and the steps for using Generic Connectivity is available in Chap 7 of the Heterogeneous Connectivity Administrator's Guide.

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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

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,
Susan

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>
     (/u00/app/oracle/product/9.0.1/network/admin/listener.ora) for the <gatewaysid>
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
     "create public database link <dblinkname> connect to oracle_tgw identified by password using 'tnsalias'; "
6.     Restart the gateway listener.

How to create database link between oracle and SQL Server

Hello Everyone,
Here i have Oracle Database 9i and SQL Server 2005 databases.
I have some tables in sql server db and i want to access from Oracle.
How to create a database link between these two servers
Thanks,

Thanks for Everyone,
I was struggle with this almost 10 days....
I created Database link from Oracle to SQL Server
Now it is fine.........
Here i am giving my servers configuration and proceedure how i created the db link...@
Using Generic Connectivity (HSODBC) we can create db link between Oracle and SQL server.
Machine (1)
DB Version : Oracle 9.2.0.7.0
Operating System : HP-UX Itanuim 64 11.23
IP : 192.168.0.31
Host : abcdbt
Machine (2)
Version : SQL Server 2005
Operating System : Windows server 2003 x86
IP : 192.168.0.175
Host : SQLDEV1
User/PW : sa/abc@123! (Connect to database)
Database : SQLTEST (exsisting)
Table : T (“ T “ is the table existing in SQLTEST database with 10 rows)
Prerequisites in Machine (2):
a)     Oracle 10g software
b)     User account to access SQL Server database (sa/abc@123!)
c)     Existing SQL Server Database (SQLTEST)
d) Tables (testing purpose) (T)
Steps:
1)     Install Oracle 10.2.0.1 (Only SW,No need of database) *(Machine 2)*
2)     Create a DSN where your windows Oracle 10g SW resides *(Machine 2)*
Control panel >> Administrative Tools >> Data Source (ODBC) >> System DSN ADD
You can follow this link also.....
http://www.databasejournal.com/features/oracle/article.php/3442661/Making-a-Connection-from-Oracle-to-SQL-Server.htm
I created DSN as
DSN name : SQLTEST
User : SA/abc@123! (Existing user account)
Host : 192.168.0.175 (machine 2)
Already I have 1 database in SQL Server with the name SQLTEST
You can create DSN with different name also (not same as db name also)
3)     Create a hsodbc init file in $ORACLE_HOME\hs\admin *(Machine 2)*
Create init<DSN NAME> file
Ex: initSQLTEST
Copy inithsodbc to initSQLTEST
And edit
initSQLTEST file
HS_FDS_CONNECT_INFO = SQLTEST    <DSN NAME>*
HS_FDS_TRACE_LEVEL = OFF*
save the file....@
4)     Configure Listener.ora *(Machine 2)*
LISTENER_NEW =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.0.175)(PORT = 1525))
SID_LIST_LISTENER_NEW =
(SID_LIST =
(SID_DESC =
(SID_NAME = SQLTEST) *+< Here SQLTEST is DSN NAME >+*
(ORACLE_HOME = G:\oracle 10g\oracle\product\10.2.0\db_1)
(PROGRAM = hsodbc))
(SID_DESC =
(SID_NAME = PLSExtProc)
(ORACLE_HOME = G:\oracle 10g\oracle\product\10.2.0\db_1)
(PROGRAM = extproc) )
:> lsnrctl start LISTENER_NEW
5)     Configure tnsname.ora *(Machine 2)*
SQLTEST11 =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.0.175)(PORT = 1525))
(CONNECT_DATA =
(SERVER = DEDICATED)
(SERVICE_NAME = SQLTEST))
(HS=OK)
:> tnsping SQLTEST11
If No errors then conti….
6)     Configure a file *(Machine 1)*
Cd $TNS_ADMIN ($ORACLE_HOME/network/admin)
Create a file
$ vi TEST_abcdbt_ifile.ora
something=
(DESCRIPTION=
(ADDRESS=(PROTOCOL=tcp)(HOST =192.168.0.175) (PORT=1525))
(CONNECT_DATA=
(SID=SQLTEST))
(HS=OK)
$ tnsping something
$ sqlplus system/manager
Your connected to Oracle database *(machine 1)*
create database link xyz connect to “sa” identified by “abc@123!” using ‘SOMETHING’;
select * from t@xyz;10 rows selected.
Thanks,
Edited by: ram5424 on Feb 10, 2010 7:24 PM

Oracle DB Link from Oracle to SQL Server

Dear buddies,
I am trying to create a dblink from Oracle to SQL Server.
This is my tnsnames.ora
sq =
(DESCRIPTION=
   (ADDRESS=(PROTOCOL=tcp)(HOST=LOCALHOST)(PORT=1521)
   (CONNECT_DATA=(SID=sq))
   (HS=OK)
)This is my listener
SID_LIST_LISTENER =
(SID_LIST =
      (SID_DESC =
      (SID_NAME = sq)
      (ORACLE_HOME = D:\oracle\product\10.2.0\db_2)
      (PROGRAM = hsodbc)
LISTENER =
(DESCRIPTION =
    (ADDRESS = (PROTOCOL = TCP)(HOST = localhost)(PORT = 1521))
)initsq.ora
# This is a sample agent init file that contains the HS parameters that are
# needed for an ODBC Agent.
# HS init parameters
HS_FDS_CONNECT_INFO = sq
HS_FDS_TRACE_LEVEL = OFF
# Environment variables required for the non-Oracle system
#set <envvar>=<value>I have created my System DSN for sq with the appropriate values which works fine when I tested the connection.
These 2 databases are in different servers.
This is how I created the db link in Oracle
create public database link sq
CONNECT TO XXX IDENTIFIED BY "XXX"
using 'sq'
select "Column1"
from "Table1"@'sq';The error I receive is: ORA-01729: database link name expected
When I try to recreate the database link it tells me that: ORA-02011: duplicate database link name
I hope someone could guide me.
Thanks.

C:\Documents and Settings\Administrator>tnsping sq
TNS Ping Utility for 32-bit Windows: Version 10.2.0.4.0 - Production on 16-AUG-2011 14:48:40
Copyright (c) 1997, 2007, Oracle. All rights reserved.
Used parameter files:
D:\oracle\product\10.2.0\db_2\network\admin\sqlnet.ora
TNS-03505: Failed to resolve name
C:\Documents and Settings\Administrator>

How to create database link between oracle9i database and oracle10g

How to create database link between oracle9i database and oracle10g
oracle9i database name "Prod" windows server 2003 ( 172.x.x.x)
oracle10g database name "TEST" sun solaris 9 (165.x.x.x.x)
Please help me on this

For connections between 10.2 and 9.2 the 9.2 end MUST be at 9.2.0.4 or higher. Connections between 10.2 and 9.2.0.1, 9.2.0.2 or 9.2.0.3 are not supported.
Connections between 10.2 and 9.0.1 was never been supported.
Cheers !!!!
Bhupinder

Database link between oracle and sql server

dear all,
i m a newbie to oracle and i need your help to know how to create a database link between oracle and sql server.my oracle version 10.2.0.3 and platform is redhat linux 5.7.your help appreciated.
thanks in advance.

[oracle@localhost ~]$ rpm -qa | grep -i odbc
php-odbc-4.3.9-3.15
unixODBC-kde-2.2.11-1.RHEL4.1
MyODBC-2.50.39-21.RHEL4.1
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Tell me how to format a date retrieved from a MS SQL Server 2000 database?

Tell me how to format a date retrieved from an MS SQL Server 2000 database for various uses in my JSP page?

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Problems creating the Master Repository with MS SQL Server 2000

Hello guys!
I can't create the Master Repository with MS SQL Server 2000 database.
Wath is the correct adress in the URL?
I select the Driver: com.microsoft.jdbc.sqlserver.SQLServerDriver and the URL: *jdbc:microsoft:sqlserver://<host>:<port>;SelectMethod=cursor[;<property>=<value>...]*
Thanks
Maurício
Edited by: user857262 on 03/10/2008 10:05

Hi Maurício,
For MS SQL Server the following drivers should avaliable in /drivers folder (http://www.inetsoftware.de/),
* msutil.jar
* mssqlserver.jar
* msbase.jar
JDBC Driver is:
com.microsoft.jdbc.sqlserver.SQLServerDriver
JDBC URL is:
jdbc:sqlserver://serverName\instance:port;property=value[;property=value]
Example,
jdbc:sqlserver://myHost:1433;selectMethod=cursor;databaseName=myDB
Thanks,
G

DB Link from Oracle to SQL Server error

Dear buddies,
I need to perfome some select on the tables which reside in SQL Server 2005 from Oracle 10g.
I followed the steps given in :
http://www.dba-oracle.com/t_heterogeneous_database_connections_sql_server.htm
I could perform a TNS ping which is successful but only when I perform a select I receive this error.
ERROR at line 1:
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 SQLS
I have checked that my dsn name is in small caps all the way wherever it is used(Since its suggested in many sites).
Please guide me.
I am really looking ahead for a solution.
Regards,
Nith

use the like to setup ODBC and datasource
http://www.databasejournal.com/features/oracle/article.php/3442661/Making-a-Connection-from-Oracle-to-SQL-Server.htm
and then create link server in sql server after you test connenction with oracle

When a database is last used in SQL Server 2000.

Hi,
Need to create one script by which I can get my any of the database lastly used, which is running on SQL Server 2000 lastly used.
Lets say if I have 100 databases running on SQL Server 2000, then using one query I can get all the databases last access date.
I dont want to implement audits because that will give only the result after audit setup.
Thanks In Advance
Regards, Ashish Tripathi

Agree with Erland.
There is no "column" in sys.databases till now. I would suggest you to vote for this feature.
https://connect.microsoft.com/SQLServer/feedback/details/659846/database-last-accessed-time
Balmukund Lakhani
Please mark solved if I've answered your question, vote for it as helpful to help other users find a solution quicker
This posting is provided "AS IS" with no warranties, and confers no rights.
My Blog |
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Author: SQL Server 2012 AlwaysOn -
Paperback, Kindle

Database in Suspect Mode in SQL Server 2000 Log Shipping Environment

Hi All
We have movement of SQL Server 2000 at physical level. We have disable jobs and stop Agent and SQL Server services.
After moved the server we have started the server and then start SQL Server 2000 services.
All of databases in SUSPECT mode. Files are in correct folders as were before shutdown the server
What shall I do e.g. why databases come up in SUSPECT mode? what to check and how to get database live?
Pls help it is critical...
Thanks in Advance

All of databases in SUSPECT mode. Files are in correct folders as were before shutdown the server
What shall I do e.g. why databases come up in SUSPECT mode? what to check and how to get database live?
Pls help it is critical...
Thanks in Advance
Hello,
Did you made sure no transactions like restore logs were running when you stopped SQL server service or agent .I have seen in SQL 2000 an abrupt stop of SQL Server agent when its doing a process can sometimes force database in suspect mode.
I would like you to get your disk analyzed by vendor ASAP for any fault in disk at first go it seems to me an underlying hardware issue.
Please can you check errorlog and event viewer to find out any possible cause for database going into suspect mode
I always suggest to use Backup and restore method of recovery to get out from suspect database problem.If you dont have then you can move with DBCC Checkdb and various repair options but be sure
DATA LOSS might be possible when you use repair allow data loss and repair_rebuild removes constraints.
hope this helps
Please mark this reply as the answer or vote as helpful, as appropriate, to make it useful for other readers

Database Link beetwen SAP e SQL SERVER

Hi Gurus,
i need to read a table in SQL server, from a WebDynpro abap.
My OS is Unix not windows, how can i create a DBLINK to SQL server (for example es a Oracle system), is it possible?
thanks a lot.
Claudio.

> i need to read a table in SQL server, from a WebDynpro abap.
> My OS is Unix not windows, how can i create a DBLINK to SQL server (for example es a Oracle system), is it possible?
To connect an ABAP system to another database the following is necessary:
- a database client for the target database
- a database interface library for the target database
Since both are not existing on Unix for Microsoft SQL Server the only (supported) thing you can do is to install a Windows application server and execute the application there.
Markus

How to recover from mdf file (SQL Server 2000)

Hi,
My database corrupted because when I was running an update query, there is a power failure. After the computer booted, I cannot open the database anymore, it just not responding. Then I stop the sql server service, and tried to rename the .mdf and .ldf. After that it worked normally, but I need the data from the corrupted mdf file, I tried to attach the database but it just hanged. I even tried to attach without the .ldf file but it didn't work either, so I concluded that the problem is with the mdf file.
Is there any way to recover my data ??
Thanks in advance
Regards,
Edwin

Try this undocumented stuff provided by Kevin [MS].
==========
1. Back up the .mdf/.ndf files at first!!!
2. Change the database context to Master and allow updates to system tables:
Use Master
Go
sp_configure 'allow updates', 1
reconfigure with override
Go
3. Set the database in Emergency (bypass recovery) mode:
select * from sysdatabases where name = '<db_name>'
-- note the value of the status column for later use in # 6
begin tran
update sysdatabases set status = 32768 where name = '<db_name>'
-- Verify one row is updated before committing
commit tran
4. Stop and restart SQL server.
5. Call DBCC REBUILD_LOG command to rebuild a "blank" log file based on the
suspected db.
The syntax for DBCC REBUILD_LOG is as follows:
DBCC rebuild_log('<db_name>','<log_filename>')
where <db_name> is the name of the database and <log_filename> is
the physical path to the new log file, not a logical file name. If you
do not
specify the full path, the new log is created in the Windows NT system
root
directory (by default, this is the Winnt\System32 directory).
6. Set the database in single-user mode and run DBCC CHECKDB to validate
physical consistency:
sp_dboption '<db_name>', 'single user', 'true'
DBCC checkdb('<db_name>')
Go
begin tran
update sysdatabases set status = <prior value> where name = '<db_name>'
-- verify one row is updated before committing
commit tran
Go
7. Turn off the updates to system tables by using:
sp_configure 'allow updates', 0
reconfigure with override
Go
============

Creating Database link from Oracle9i to SQL server 2000

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