MySQL Operations

Internal

• MariaDB
• MariaDB Configuration
• MySQL

Version

Connect to the database then execute:

SELECT VERSION();

Layout

Linux

Logs

/var/log/mariadb/
/var/log/mysql/

Data Directory

/var/lib/mysql

Runtime Directory

/var/run/mariadb

Configuration File

https://mariadb.com/kb/en/configuring-mariadb-with-option-files/#default-option-file-locations-on-linux-unix-mac

Default location: /etc/my.cnf

Mac

 /opt
  └── brew
       ├── Cellar
       │     └── mariadb
       │          └── 11.2.2
       │               └── ...
       ├── etc
       │    ├── my.cnf
       │    └── my.cnf.d
       │         └──  ...
       ├── opt
       │    └── mariadb
       │        └──  bin
       │              └──  mysqld_safe
       └── var
            └── mysql  # Data directory
                 └──  ...

Change Root Password

/usr/bin/mysqladmin -u root password 'new-password'
/usr/bin/mysqladmin -u root -h now510.local password 'new-password'

Useful: https://www.digitalocean.com/community/tutorials/how-to-reset-your-mysql-or-mariadb-root-password

Command Line Client

mysql Command Line Client

Subjects

• MySQL DDL Operations