Question
What is a database link? what is the difference between a public and a private database link? what is a fixed user database link?
Answers
A database link is created to access a remote database from a local database. One requirement to create a database link is that the database server should be able to connect to the remote database.
A private database link is available to the owner of the link while a public database link is available to all the users.
A fixed user database link is available only to the user specified in the link.   Your Comment




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