https://www.digitalocean.com/community/tutorials/how-to-create-a-new-user-and-grant-permissions-in-mysql

CREATE USER 'davidrh'@'localhost' IDENTIFIED BY 'password';
ALTER USER 'davidrh'@'localhost' IDENTIFIED WITH mysql_native_password BY 'password';
CREATE DATABASE david;
GRANT ALL PRIVILEGES ON david.* TO 'davidrh'@'localhost' WITH GRANT OPTION;
FLUSH PRIVILEGES;

CREATE USER 'monica'@'localhost' IDENTIFIED BY 'password';
ALTER USER 'monica'@'localhost' IDENTIFIED WITH mysql_native_password BY 'password';
CREATE DATABASE monica;
GRANT ALL PRIVILEGES ON monica.* TO 'monica'@'localhost' WITH GRANT OPTION;
FLUSH PRIVILEGES;

https://www.digitalocean.com/community/tutorials/how-to-create-a-new-user-and-grant-permissions-in-mysql

https://support.microfocus.com/kb/doc.php?id=7013333

https://sidu.roman-halliday.com/?id=1

https://medium.com/techvblogs/how-to-reset-mysql-root-password-in-ubuntu-53b05eadbad6

https://www.pgadmin.org/docs/pgadmin4/7.4/server_deployment.html

https://franchise.cloud/

http://topnew.net/support/topic/201

https://wiki.postgresql.org/wiki/PostgreSQL_Clients#Open_Source_2

https://www.phpmyadmin.net/