I'm finding myself using this idiom a lot for a current project. Adjust to taste for your own applications.
# given a DBI handle $dbh, a database table "foo" with a column "bar"

print join "\n", map join("\t", @$_), @{$dbh->selectall_arrayref( q{
   select bar from foo
} )};

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In reply to Output results from a DBI select query in one line by mjg

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