DBI connect('','www',...) failed: ORA-01034: ORACLE not available
ORA-27101: shared memory realm does not exist
Linux Error: 2: No such file or directory (DBD ERROR: OCISessionBegin) at /usr/local/apache/cgi-bin/itrack_basic_search/test.pl line 19

##</code><code>##

my $dbh= DBI-> connect('dbi:Oracle:','www','www') or die "Database connection cannot be established";

##</code><code>##

SetEnv ORACLE_HOME /usr/lib/oracle/xe/app/oracle/product/10.2.0/server/
SetEnv ORACLE_SID XE
SetEnv NLS_LANG `$ORACLE_HOME/bin/nls_lang.sh`
SetEnv PATH $ORACLE_HOME/bin:$PATH
SetEnv LD_LIBRARY_PATH /usr/lib/oracle/xe/app/oracle/product/10.2.0/server/lib/