...
...
Test Summary Report
-------------------
t/40server_prepare.t                  (Wstat: 256 Tests: 31 Failed: 1)
  Failed test:  27
  Non-zero exit status: 1
t/40server_prepare_crash.t            (Wstat: 11 Tests: 3 Failed: 0)
  Non-zero wait status: 11
  Parse errors: Bad plan.  You planned 39 tests but ran 3.
t/40server_prepare_error.t            (Wstat: 512 Tests: 3 Failed: 2)
  Failed tests:  1-2
  Non-zero exit status: 2
Files=69, Tests=2041, 34 wallclock secs ( 0.52 usr  0.17 sys +  3.90 cusr  0.77 csys =  5.36 CPU)
Result: FAIL
Failed 3/69 test programs. 3/2041 subtests failed.
make: *** [test_dynamic] Error 255
  MICHIELB/DBD-mysql-4.043.tar.gz
  /usr/bin/make test -- NOT OK
//hint// to see the cpan-testers results for installing this module, try:
  reports MICHIELB/DBD-mysql-4.043.tar.gz

$

##</code><code>##

$ brew info mariadb
mariadb: stable 10.2.12 (bottled), devel 10.3.4
Drop-in replacement for MySQL
https://mariadb.org/
Conflicts with:
  mariadb-connector-c (because both install plugins)
  mysql (because mariadb, mysql, and percona install the same binaries.)
  mysql-cluster (because mariadb, mysql, and percona install the same binaries.)
  mysql-connector-c (because both install MySQL client libraries)
  mytop (because both install `mytop` binaries)
  percona-server (because mariadb, mysql, and percona install the same binaries.)
/usr/local/Cellar/mariadb/10.2.12 (640 files, 170MB) *
  Poured from bottle on 2018-01-27 at 00:05:02
From: https://github.com/Homebrew/homebrew-core/blob/master/Formula/mariadb.rb
==> Dependencies
Build: cmake &#10008;
Required: openssl &#10004;
==> Options
--with-archive-storage-engine
	Compile with the ARCHIVE storage engine enabled
--with-bench
	Keep benchmark app when installing
--with-blackhole-storage-engine
	Compile with the BLACKHOLE storage engine enabled
--with-embedded
	Build the embedded server
--with-libedit
	Compile with editline wrapper instead of readline
--with-local-infile
	Build with local infile loading support
--with-test
	Keep test when installing
--devel
	Install development version 10.3.4
==> Caveats
A "/etc/my.cnf" from another install may interfere with a Homebrew-built
server starting up correctly.

MySQL is configured to only allow connections from localhost by default

To connect:
    mysql -uroot

To have launchd start mariadb now and restart at login:
  brew services start mariadb
Or, if you don't want/need a background service you can just run:
  mysql.server start

$

##</code><code>##

use strict;
use warnings; 
use 5.020;
use autodie;
use Data::Dumper;
use DBI;


my $dsn = 'dbi:mariadb:database=my_db;host=localhost';
my $dbh = DBI->connect($dsn, 'root', '');

--output:--
DBD::mariadb initialisation failed: Can't locate object method "driver" via package "DBD::mariadb" at /Users/7stud/perl5/perlbrew/perls/perl-5.20.2/lib/site_perl/5.20.2/darwin-2level/DBI.pm line 827.