[Perl] => [DBI]
$sth->execute の後、$sth->rowsとすればレコードの数を取得することができます。
[例]
$dbh = DBI->connect("DBI:Pg:dbname=dbname;host=hostname","username","password",{AutoCommit => 1}) || warn $DBI::errstr;
$sth = $dbh->("SELECT * FROM table_name");
$num = $sth->rows;
print "$num\n"
$sth->finish();
$dbh->disconnect;
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