Use the DB Links tab to query or update database links with all database qualifiers.

Action

Query:	Click to query an existing database link in an Oracle Names server. Specify the database link name in the DB Link Name field.
Add:	Click to add a new database link. Specify the database link name in the DB Link Name field, and a valid user name and password for the database.
Remove:	Click to remove the database link specified in the DB Link Name field.
Execute button:	Click to perform the DB Link query, add or remove operation.

DB Link

DB Link Name:	Enter the database link to query, add or remove.
User:.	Enter the database user name when adding a database link
Password:	Enter the password for the database user name when adding a database link.
DB Qualifiers button:	Click to display, create or remove qualifiers for database links.