OracleRAC connects to the specified instance

In some specific circumstances, sometimes you need to connect to the specified instance in RAC from the client, instead of dynamically selecting the client Load_balance or through the server listening

In some specific circumstances, sometimes you need to connect to the specified instance in RAC from the client, instead of dynamically selecting the client Load_balance or through the server listening

In some specific circumstances, sometimes you need to connect to the specified instance in RAC from the client, instead of dynamically selecting the client Load_balance or forwarding the server listener Based on the load situation. You can add the instance_name subitem to the network service name specified in tnsnames. ora, or create a network service Name Pointing to the desired instance separately. The following describes the two cases.

I. Test Environment