Thank you Hippo. I can see the Perl-related issue. However, your solution produces an empty result, while if I use the following $sql, I can get the expected results. What do you think?

my $sql = "SELECT table FROM tags WHERE tag IN ('red','black')";
my $ID = $dbh->selectall_arrayref ($sql);

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In reply to Re^2: DBI select IN Array by Anonymous Monk
in thread DBI select IN Array by Anonymous Monk

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