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Month: September 2021

24 September, 202124 September, 2021Uncategorized

Upgrading mariadb 5.5 to mariadb 10.6 to support moodle 3.11

First you need to stop the running 5.5. version: Make a backup of your mariadb datafolder: Then remove the 5.5 version: Download […]

14 September, 202119 October, 2021Mysql, PHP

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. In a […]

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