View the image below to look at a sample names.ora file.
The areas outlined in red are the most important values of the file.
names.addresses =
This specifies the service name of the database containing the Names server data.
names.server_name =
Each Names server is uniquely identified by a name. All configuration references to a particular Names server use this name.
names.admin_region =
This is used when you want the Names server to store transparent network substrate (TNS) and link information.
names.authority_required =
Determines whether system queries require Authoritative answers.