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in reply to Re^2: DBI::db error I am confused!
in thread DBI::db error I am confused!

Can anyone give me a hint how to change the driver?

The driver is passed to DBI as the first part of the first parameter of the connect method:

use DBI; use DBD::mysql; my $dbh=DBI->connect("dbi:mysql:$database_schema:localhost:3306",$user +,$pass);
This is connecting to MySQL which also works for MariaDB. Although there is a DBD::MariaDB but I haven't switched to using it yet.