Though you probably can also use placeholders 
my $sth = $dbh->prepare("select column from ? where column = ?");

my $table = 'foo';
my $value = 'bar';
$sth->execute($table, $value);

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just another cpan module author

In reply to Re^2: DBI query where table name is a variable by spatterson
in thread DBI query where table name is a variable by ai56

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