Oracle 9i to access MySQL

Question

Hello ,
I need to set up HS on Oracle 9i to access MySQL.
Could you post some link with example doing this or some material I should read ?
Both servers are linux. Is there a way to do this without unixODBC or iODBC, just direct link Oracle - MySQL ?
Thanks in advance,
Asen

Answer 1

First of all I would suggest to just add to an existing listener.ora file the HSODBC SID.
The listener is configured in $OH/network/admin using listener.ora.
Make sure you correct the path names and the SID section looks like:
SID_LIST_LISTENER =
(SID_LIST =
(SID_DESC =
(SID_NAME = PLSExtProc)
(ORACLE_HOME = /home/oracle/oracle/product/9i)
(PROGRAM = extproc)
(SID_DESC =
(SID_NAME = mysql)
(ORACLE_HOME = /home/oracle/oracle/product/9i) (ENVS=LD_LIBRARY_PATH=/home/oracle/oracle/product/9i/lib:/home/odbc/mysql/unixODBC/lib:/home/odbc/mysql/lib)
(PROGRAM = hsodbc)
Then STOP and START the listener.
COMMENT:
LD_LIBRARY_PATH includes the $ORACLE_HOME/lib, the UnixODBC library and the MySQL library directory.
The tnsnames.ora entry is also similar to the note:
mysql =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = linux.de.oracle.com)(PORT = 1521))
(CONNECT_DATA =
(SID = mysql)
(HS=OK)
My initmysql.ora file located in $OH/hs/admin looks like:
HS_FDS_CONNECT_INFO = mysql
HS_FDS_TRACE_LEVEL = off
HS_FDS_SHAREABLE_NAME = /home/odbc/mysql/unixODBC/lib/libodbc.so
HS_FDS_CONNECT_PROPERTIES="disableExtendedFetch='true'"
set ODBCINI=/etc/odbc.ini
COMMENT:
The HS_FDS_SHAREABLE_NAME points to the unixODBC driver manager libodbc.so
So more detailed to your update:
I have the sample .ora files in $ORACLE_HOME/hs/admin but I was unable to get it working.
=> just copy the relevant SID section from my posting above or from the sample listener.ora file located in $OH/hs/admin to the listener.ora located in $OH/network/admin
Which .ora files should I edit? Those in $ORACLE_HOME/network/admin/ or to add such files in the $ORACLE_HOME/hs/admin?
The listener and tnsnames is by default located in $OH/network/admin.
Should I input the lines for the SID & LISTENER for the new HS Service in the current lists in listener.ora or I should only paste the adapted listener.ora from the manual you posted at the end of the current listener.ora?
Depends on what you prefer.
If you want a separate listener for HSODBC, then you have to define a complete new listener entry in your listener.ora file. If you prefer only one listener, then just add the SID section to the existing listener.ora
In either ways I get error. If I add the adjusted template from the manual at the end of the file, I get: TNS-01201: Listener cannot find executable …. for SID …. .
=> Post your config and I'll have a look.