If directory usage was not configured, Oracle Net Configuration Assistant prompts you to configure net service names in the tnsnames.ora file for an administrator or runtime client installation.
If local naming is selected as a naming method during a custom client or server installation, Oracle Net Configuration Assistant prompts you to configure net service names in the tnsnames.ora file.
Oracle Net Manager enables you to configure net service names, as well as:
Create net service names for non-Oracle database services
Configure multiple routes to a listener through multiple protocol addresses
Configure advanced CONNECT_DATA information for either a database service or net service name
To access local naming configuration:
From the navigator pane, choose the Local > Service Naming folder to create net service names or modify connect descriptor information.
For more information, see Chapter 8, Configuring Naming Methods, in the Oracle10i Net Administrator's Guide.
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