Description of the illustration create_database_link.eps
CREATE [ SHARED ] [ PUBLIC ] DATABASE LINK dblink [ CONNECT TO { CURRENT_USER | user IDENTIFIED BY password [ dblink_authentication ] } | dblink_authentication ]... [ USING connect_string ] ;
CREATE [ SHARED ] [ PUBLIC ] DATABASE LINK dblink [ CONNECT TO { CURRENT_USER | user IDENTIFIED BY password [ dblink_authentication ] } | dblink_authentication ]... [ USING connect_string ] ;