Installing package mariadb-client
Reading package lists... Done
Building dependency tree
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
 mariadb-client : Depends: mariadb-client-10.3 (>= 1:10.3.17-0+deb10u1) but it is not going to be installed
E: Unable to correct problems, you have held broken packages.

Installing package mariadb-common
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following NEW packages will be installed:
  mariadb-common
0 upgraded, 1 newly installed, 0 to remove and 1 not upgraded.
Need to get 0 B/31.6 kB of archives.
After this operation, 75.8 kB of additional disk space will be used.
Selecting previously unselected package mariadb-common.
(Reading database ... 33480 files and directories currently installed.)
Preparing to unpack .../mariadb-common_1%3a10.3.17-0+deb10u1_all.deb ...
Unpacking mariadb-common (1:10.3.17-0+deb10u1) ...
Setting up mariadb-common (1:10.3.17-0+deb10u1) ...

Securing MySQL by running "mysql_secure_installation" commands.
mysql: [Warning] Using a password on the command line interface can be insecure.

Please note that Easy-Wi will install required PHP packages.

Please wait... Update is currently running.

Hit:1 http://deb.debian.org/debian buster InRelease
Hit:2 http://deb.debian.org/debian buster-updates InRelease
Hit:3 http://security.debian.org/debian-security buster/updates InRelease
Hit:4 http://mirror.netcologne.de/mariadb/repo/10.2/debian buster InRelease
Hit:5 http://repo.mysql.com/apt/debian stretch InRelease
Reading package lists... Done