I'm using Storable against an Oracle DB with good success. It takes some finagling but it works reliably and it's surprisingly fast (in fact we're using it as a caching mechanism on our Web server). Last I checked, DBD::Oracle didn't support binary large objects, or BLOBS, only characters (CLOBS). So, we have to turn our object into hex and write it out to the table. 
#Freeze the object
my $data = eval { unpack ('h*', Storable::nfreeze($object))} ;

# ORACLE SPECIFIC
# create a hash containing specifying to Oracle what
# sort of data it will need to store. 112 is the value
# for a CLOB, 113 is the value for a BLOB.
# FIXME: make this a BLOB when DBD::Oracle supports that

my %hash = (ora_types => 112, ora_field => 'data');
# END ORACLE

# insert our values into the table
my $query = "INSERT INTO $table (jobID, data) VALUES ('$jid','$data')"
+;

$db_handle->execute($query, \%hash);
 
# To thaw (after retrieving from the DB)
my $object = eval { Storable::thaw(pack('h*',$data)) }

[download]

This may not be the best for your situation, especially since others have suggested off the shelf solutions that appear to address your needs, but this approach does work.

Update: perrin++. I came up with this scheme in early '00, and at that time BLOBS weren't implemented, or at least not in the version of DBD::Oracle we were using. I guess now I can go back and fix the FIXME's :)

In reply to Re: Maintaining state through storable.pm? by djantzen
in thread Maintaining state through storable.pm? by BUU

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