To access Microsoft SQL server from unix, use the DBD:Sybase module.

In order to access SQL Server 2000 (and later) databases, you have to be sure that the DBD:Sybase module was built with the FreeTDS libraries.

Several *nix distributions have ready to install packages (for example, in Debian, you just need to install the packages 'libdbd-sybase-perl' and 'freetds-dev'); in case you need to install from sources, you need to do the following:

1. install FreeTDS

   Get the package from www.freetds.org, unpack it and execute make and then make install

2. set the environment variable SYBASE

   the environment variable should point to the location of FreeTDS (usually /usr/local/freetds):

   SYBASE=/usr/local/freetds
   export SYBASE

3. install DBD::Sybase

   Get the package from cpan.org, unpack it and execute perl Makefile.PL (don't worry about testing errors here), then make and make install

Example:

#!/usr/bin/perl
 
#-- open database
use DBI;
my $dbh = DBI->connect('DBI:Sybase:server=192.168.0.1','user','password') or die $DBI::errstr;
$dbh->do("use Northwind");
 
#-- sample query
my $rows = $dbh->selectrow_array("SELECT COUNT(*) FROM Orders");
print "Orders has $rows records\n" if ( defined $rows );


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