How to connect Oracle DB in Linux Env.

[pawank86]

Hi All, I am trying to connect to ORACLE database using DBI module. The oracle DB is on Linux Env and i am trying to run the script for my system in window Env. I am using following code part to connect:

use DBI;
my $dbh = DBI->connect("dbi:Oracle:host=10.27.140.218","user", "passwo
+rd");

After executing above code i am getting error : ORA-24327: need explicit attach before authenticating a user (DBD ERROR: OCISessionBegin). Please let me know if i am doing somthing wrong in this. Thanks in Advance..

[Generoso]

From your post I see missing either the SID or SERVICE and port elements on the connect parameters.

my $dbh = DBI->connect('dbi:Oracle:host=localhost;sid=ORCL;port=1521',
+ 'scott', 'tiger', { RaiseError => 1, AutoCommit => 0 }); 
my $dbh = DBI->connect('dbi:Oracle:host=localhost;service=my.service.n
+ame.com;port=1521','scott', 'tiger', { RaiseError => 1, AutoCommit =>
+ 0 });

[pawank86]

Hi Generoso, I tried the above code also but getting the same error of need explicit attach. I used SID = 'ORCL', DB port = 1521 and for host i used the IP address of Linux machine where DB is deployed, (machine which i want to connect). Please let me know other possible solutions.

[Generoso]

Have you tried to connect to the database via sqldeveloper form ORACLE it is free; you can downloaded and install it and set up a connection and test if the connecting parameters are the correct ones.

Have not work with it on UNIX only in windows and is a good tool to debug your sql before you use it on a program or perl script

[ww]

You may find your answer in perldoc DBD::Oracle

[marto]

Can you connect to this database via sqlplus on Windows?

Update: Whoops, see DBD::Oracle, providing the sid when connecting.