The Net Service Names tab allows you to query, add, remove or load net service names into an Oracle Names server. You can add or remove one net service name reference at a time. Net service names represent services stored in the Oracle Names server.

Action

Query:	Click to query an existing net service name specified in the Service Name field.
Add:	Click to add a new net service name for a service in an Oracle Names server. Specify the net service name in the Service Name field, enter the location of the listener in the address fields that display, enter the system ID of the database in the SID field, and select the type of session from the Session drop-down list.
Remove:	Click to remove a selected net service name and its address from the Addresses list box.
Load:	Click to load an existing TNSNAMES.ORA already configured with net service names into an Oracle Names server. When a TNSNAMES.ORA file is chosen, its net service names will display in the Addresses list box.
Execute button:	Click to perform the net service name query, add, remove, or load operation.

Service Name:

Enter the net service name you are planning to query, add or remove.

Address

Protocol:	From the drop-down list, select the protocol for the listener address. Depending on the protocol chosen, enter information in the fields as appropriate.
SID:	Enter the system ID (SID) of the database.
Service Type:	From the drop-down list, specify whether the session will use a dedicated server or multi-threaded server.

Load Service Names from TNSNAMES.ORA File

Enter the location of the TNSNAMES.ORA file.