how to run two different version of oracle on same windows server
I installed Oracle 9i instance on the server in the diffrent oracle home, where already a Oracle 10g instance was running.
Now I am facing a issue, all third party softeware are unable to connect the oracle 10g db. Getting the message of tns-12154.
Can you plese help me out , that what is the best way to run oracle9i and oracle 10g on he same windows server?
what is the way to make a database as a default db for the server?