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Create a database link with the new host:port/service syntax

I just noticed that (finally) in 11.2 this syntax is supported:

  2  CONNECT TO tanel IDENTIFIED BY password 
  3  USING 'exadb03:1521/DEMO';
Database link created.

This just makes life a bit easier as there’s no need to use the long TNS format entry (or a tnsnames.ora/LDAP alias). It might work in 11.1 too (haven’t tested) but it didn’t work on …

Update: This feature works for dblinks in 10.2 onwards – when I tested it on my 10.2, I got an error initially, but it was because the hostname I used didn’t resolve to an IP. Thanks to Randolf Geist for pointing this out.

In case you didn’t know, the sqlplus supports such an easy connect method since 10g:

tanel@mac02:~$ sqlplus tanel/password@exadb03/DEMO
SQL*Plus: Release - Production on Mon Mar 5 09:51:27 2012
Copyright (c) 1982, 2007, Oracle. All Rights Reserved.

Connected to:
Oracle Database 11g Enterprise Edition Release - 64bit Production
With the Partitioning, Real Application Clusters, Automatic Storage Management, OLAP,
Data Mining and Real Application Testing options

If you omit the port from the syntax, it defaults to 1521.