Thank you very much!

In the documentation for DBI I did not see using the call format argname=xxxx .

Sincerely,
Dennis German

On 8/31/24 21:39, Zheng Li Sheng wrote:
something like this:
|# Define database connection parametersmy$database='your_database';my$hostname='127.0.0.1';# or any other valid hostname/IP addressmy$port='3306';# Default MySQL port# Construct DSN stringmy$dsn="DBI:mysql:database=$database;host=$hostname;port=$port";# Define username and passwordmy$user='your_username';my$password='your_password';# Connect to the databasemy$dbh=DBI->connect($dsn,$user,$password,{RaiseError =>1});|
Regards,

On Sun, Sep 1, 2024 at 8:25 AM Dennis German <dger...@real-world-systems.com> wrote:

    How can DBI use a database SERVER not a socket?

    1) perl code segment

    $host="sdb-74.hosting.stackcp.net
    <http://sdb-74.hosting.stackcp.net>"; #actually not used

    $database="realger1_birding"; $user='realger1_observr';
    $pass='birxxx';
    use DBI;
    use DBD::mysql;

    my $dbh = DBI->connect("DBI:mysql:$database",$user, $pass );
    if ( ! $dbh ) { die "-- Failed to connect to MySQL
    database:DBI->errstr()"; }

    2) ERROR

    DBI connect('realger1_birding','realger1_observr',...) failed:
    Can't connect to local MySQL server through socket
    '/var/lib/mysql/mysql.sock' (2 "No such file or directory") at
    ./history.pl <http://history.pl> line 25.

    3) cat ~/.my.cnf    #only used by MySQL programs anyway
    [mysql]
    host=sdb-74.hosting.stackcp.net <http://sdb-74.hosting.stackcp.net>

    4) platform:

    uname -a
    Linux ssh5.dfw.stackcp.net <http://ssh5.dfw.stackcp.net>
    3.10.0-1160.114.2.el7.x86_64 #1 SMP Wed Mar 20 15:54:52 UTC 2024
    x86_64 x86_64 x86_64 GNU/Linux

    5)  perl -MDBI -e 'DBI->installed_versions'
      Perl            : 5.016003 (x86_64-linux-thread-multi)
      OS              : linux    (3.10.0-957.1.3.el7.x86_64)
      DBI             : 1.627
      DBD::mysql      : 4.023
      DBD::Sponge     : 12.010002
      DBD::Proxy      : 0.2004
      DBD::Gofer      : 0.015326
      DBD::File       : 0.41
      DBD::ExampleP   : 12.014310
      DBD::DBM        : 0.08

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