Creating DB Link over HS connection

Hi Marc,
As promised here is procedure to setup DB link on 8.1.7(to non-Oracle). Maybe I am including some unecessary steps. In this example I will be connecting to sql db named RedRing
1. From sys run $Oracle_Home/rdbms/admin/caths.sql
2. edit init.ora & set Global_Names = false
this will allow you to set db link names to anything you like
3. Setup your ODBC connections using Microsoft ODBC Administrator (or other)
4. edit $Oracle_Home/network/ADMIN/sqlnet.ora set NAMES.DEFAULT_DOMAIN = world
You may skip this step but remove all '.world' from examples below. If you choose this step however you will need to edit $Oracle_Home/network/ADMIN/tnsnames.ora and add '.world' to all your entries.
5. add entries in $Oracle_Home/network/ADMIN/tnsnames.ora e.g.
REDRING.WORLD =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = DBS-01)(PORT = 1521))
(CONNECT_DATA =
(SID = redring)
(HS = OK)
6. add entries in $Oracle_Home/network/ADMIN/listener.ora e.g.
SID_LIST_LISTENER =
(SID_LIST =
(SID_DESC =
(SID_NAME = redring)
(ORACLE_HOME = c:\oracle\ora81)
(PROGRAM = hsodbc)
7. create file in $Oracle_Home/hs/ADMIN e.g. initREDRING.ora
HS_FDS_CONNECT_INFO = redring
HS_FDS_TRACE_LEVEL = OFF
set odbcini=C:\WINNT\odbc.ini
8. Restart Listener (and I like to restart DB as well)
9. From db user create db link e.g.
create database link redring.world connect to username identified by password using 'REDRING.WORLD'
10. to test: select * from [email protected]
James

Yeah, had got this problem too.
This works if Oracle is installed on Win2000, not sure if it will work on others:-
1. Close any open oracle database connections to your HS sid.
2. Get a copy of odbccmpt.exe from the SQL server (should be in x:\Program Files\Microsoft SQL Server\80\Tools\Binn\) and place it on your Oracle server.
3. Run the odbccmpt.exe from the msdos prompt twice as follows:
odbccmpt hsodbc /T
odbccmpt hsodbc /v:6
That's it. Now nchar and nvarchar are converted to char and varchar as far as oracle is concerned.
James.

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