# query to get  Centers
$cent_sth=$dbh->prepare("SELECT DISTINCT Center FROM People");
$cent_sth->execute() or die "Failed to retrieve list of centers from database. $DBI::errstr";
print " Centers are:\n";
while (@centers = $cent_sth->fetchrow_array()) {
	print "\t@centers[0]\n" unless (@centers[0]!~/^\d{2} -/);
}

# query to get  Divsions
$div_sth=$dbh->prepare("SELECT DISTINCT Div FROM People");
$div_sth->execute() or die "Failed to retrieve list of centers from database. $DBI::errstr";
print " Divisions are:\n";
while (@divs = $div_sth->fetchrow_array()) {
	print "\t@divs[0]\n";
}

# query to get  Departments
$dept_sth=$dbh->prepare("SELECT DISTINCT Dept FROM People");
$dept_sth->execute() or die "Failed to retrieve list of centers from database. $DBI::errstr";
print " Departments are:\n";
while (@depts = $dept_sth->fetchrow_array()) {
	print "\t@depts[0]\n";
}