Perl:接收select count(*) from tables;返回值

数据库中内容以下图:mysql 要查询 host = 'HOST:10.1.1.5'的记录数:sql #!/usr/bin/perl use DBI; my $host = "localhost"; my $driver ="mysql"; my $database = "catchdata"; my $dsn = "DBI:$driver:database=$database:$host"; m
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