PERL DBI connection to Remote Oracle Database
- From: Sanjay Mishra <smishra_97@xxxxxxxxx>
- To: oracle-l@xxxxxxxxxxxxx
- Date: Tue, 28 Aug 2007 07:42:24 -0700 (PDT)
Hi
I am working on exsiting Perl program and found that it is usinf DBI to
connect to Remote Database . The string used to connect the Remote database
doesn't have PORT. Connection is going fine. Remote database is listening on
PORT 1523 and not the Default 1521.
I checked the Manual and it says the following but still not clear as if it
only check on 1521 and 1526 or others. Any ideas as how it will work if Port is
not specified like even shown below in the Doc statement
Connecting without environment variables or tnsname.ora file If you use the
host=$host;sid=$sid style syntax, for example:
$dbh = DBI->connect("dbi:Oracle:host=myhost.com;sid=ORCL", $user, $passwd);
then DBD::Oracle will construct a full connection descriptor string for you
and Oracle will not need to consult the tnsname.ora file.
If a port number is not specified then the descriptor will try both 1526 and
1521 in that order (e.g., new then old). You can check which port(s) are in use
by typing "$ORACLE_HOME/bin/lsnrctl stat" on the server.
Sanjay
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