CREATE/DROP DATABASE LINK
						
						CREATE [SHARED] [PUBLIC] DATABASE LINK dblink
   [CONNECT TO {CURRENT USER |
                username IDENTIFIED BY password

						 [AUTHENTICATED BY username IDENTIFIED BY password]
               }]
   [USING 'connect string']

Creates a database link, which allows access to objects on a remote database.

DROP [PUBLIC] DATABASE LINK dblink

Removes a database link from the database.

Keywords

dblink

Specifies the name of the database link being created. Must be a valid Oracle object name.

SHARED

Specifies that a single network connection be shared across users when the multithreaded server is configured.

PUBLIC

Specifies that the database link will be available to all users. If omitted, the database link is private and available only to you.

CONNECT TO CURRENT USER

Specifies that a current user database link be created, which requires a global user with a valid account on the remote database.

CONNECT TO username

Specifies the username and password used to connect to the remote database.

AUTHENTICATED BY

Specifies a username and password on the remote database to be used for authentication when the SHARED keyword is used.

USING

Specifies the Net8 database specification for the remote database.

If the CONNECT TO clause is omitted, the account username and password currently logged in, not the username and password of the creator, will be used when the database link is invoked.

Examples

Create a public ...

Get Oracle SQL: the Essential Reference now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.