Online Documentation for SQL Manager for Oracle
TNS Editor
Local naming parameters are gathered in the TNS file which is a configuration file that contains net service names mapped to connect descriptors to local naming method, or net service names mapped to listener protocol addresses.
TNS Editor allows you to view and edit the TNS file.
To open TNS editor
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select Tools |
TNS Editor from the main menu
or
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right-click the database or database group in DB Explorer and select the TNS Editor context menu item.
