$dbh = DBI->connect("DBI:ODBC:driver={SQL Server};Server=$server;Database=$database;UID=$dbusername;PWD=$dbpassword") ||  die "$Error_Message $DBI::errstr";
print ".......Connection successful\n\n";

&prep_tbl("Sites");
&prep_tbl("Data_Centers");

sub prep_tbl
{
	my ($tbl) = @_;
	print "\nPreparing Mssql2008 table: $tbl,....";
	
	my $dbh_tmp = DBI->connect("DBI:ODBC:driver={SQL Server};Server=$server;Database=$database;UID=$dbusername;PWD=$dbpassword");
	
	# Check Database for tables, IF NOT EXISTS  then just create it
	$dbh->do("IF NOT EXISTS (SELECT * FROM sysobjects WHERE id = object_id(N'[dbo].[$tbl]') AND OBJECTPROPERTY(id, N'IsUserTable') = 1) 
				CREATE TABLE [dbo].[$tbl] (@{$tables->{$tbl}})");

	my $sth = $dbh->prepare("SELECT constraint_name FROM INFORMATION_SCHEMA.CONSTRAINT_COLUMN_USAGE WHERE TABLE_NAME = '$tbl'");
	$sth->execute;
	my $temp =  $sth->fetchrow_arrayref;
	foreach my $rel (@$temp)
	{			
		next unless ($rel =~ /ID/);
		$dbh_tmp->do("ALTER TABLE $tbl DROP CONSTRAINT $rel");
	}
	
	#### The code below doesn't work - it doesn't recreate the table again!
	
	$dbh->do("IF EXISTS (SELECT * FROM sysobjects WHERE id = object_id(N'[dbo].[$tbl]') AND OBJECTPROPERTY(id, N'IsUserTable') = 1) 
					DROP TABLE [dbo].[$tbl]; 
					CREATE TABLE [dbo].[$tbl] (@{$tables->{$tbl}})");
	print "Done\n";
}