Reinstall Mysql database with too manny errosr...

My database not responding if i want to make a new database entry. Trying to reinstall, but i have manny errors. It's possible to solve reinstall mysql ? I'm using ubuntu 20.04 on Raspberry Pi 4 Model B with 8Gb ram.

sudo apt-get --reinstall install mariadb-server mariadb-client
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following packages were automatically installed and are no longer required:
  libevent-core-2.1-7 libevent-pthreads-2.1-7 libmecab2 libprotobuf-lite23
  mecab-ipadic mecab-ipadic-utf8 mecab-utils
Use 'sudo apt autoremove' to remove them.
The following additional packages will be installed:
  mariadb-client-10.3 mariadb-client-core-10.3 mariadb-server-10.3
  mariadb-server-core-10.3
Suggested packages:
  mailx mariadb-test tinyca
The following packages will be REMOVED:
  mysql-client-8.0 mysql-client-core-8.0 mysql-server-8.0
  mysql-server-core-8.0
The following NEW packages will be installed:
  mariadb-client mariadb-client-10.3 mariadb-client-core-10.3 mariadb-server
  mariadb-server-10.3 mariadb-server-core-10.3
0 upgraded, 6 newly installed, 4 to remove and 8 not upgraded.
1 not fully installed or removed.
Need to get 0 B/15.8 MB of archives.
After this operation, 81.3 MB disk space will be freed.
Do you want to continue? [Y/n] y
Preconfiguring packages ...
(Reading database ... 162295 files and directories currently installed.)
Removing mysql-server-8.0 (8.0.23-0ubuntu0.20.10.1) ...
Failed to stop mysql.service: Unit mysql.service not loaded.
invoke-rc.d: initscript mysql, action "stop" failed.
dpkg: error processing package mysql-server-8.0 (--remove):
 installed mysql-server-8.0 package pre-removal script subprocess returned error exit status 1
dpkg: too many errors, stopping
Failed to stop mysql.service: Unit mysql.service not loaded.
invoke-rc.d: initscript mysql, action "stop" failed.
Failed to preset unit: File mysql.service: Link has been severed
/usr/bin/deb-systemd-helper: error: systemctl preset failed on mysql.service: No such file or directory
Failed to start mysql.service: Unit mysql.service not found.
invoke-rc.d: initscript mysql, action "start" failed.
Unit mysql.service could not be found.
dpkg: error while cleaning up:
 installed mysql-server-8.0 package post-installation script subprocess returned error exit status 1
Errors were encountered while processing:
 mysql-server-8.0
Processing was halted because there were too many errors.
E: Sub-process /usr/bin/dpkg returned an error code (1)

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