First you need to stop the running 5.5. version: Make a backup of your mariadb datafolder: Then remove the 5.5
Machform error: Cardinality violation: 1242 Subquery returns more than 1 row
We have a multiuser Machform PHP application running on a Redhat 7 Linux server with Apache webserver and MariaDB database.
Couldn’t connect remotely with mysql client (command line and phpMyAdmin) to the MariaDB server
I had a MariaDB server running on port 3306. I created a local MariaDB account ‘tommy’ with: CREATE USER ‘tommy’@’localhost’