Windows
Find the my.ini file which store in the MySQL installation folder.
and then open the file and Find the “datadir”, this is the where does MySQL stored the data in Windows.
datadir="C:/ProgramData/MySQL/MySQL Server 5.5/Data/"
Linux
Find the my.cnf with the sudo find / -name my.cnf command.
2) viewthe my.cnf file cat /etc/mysql/my.cnf
yongmo@myserver:~$ cat /etc/mysql/my.cnf # # The MySQL database server configuration file. # # You can copy this to one of: # - "/etc/mysql/my.cnf" to set global options, # - "~/.my.cnf" to set user-specific options. # [mysqld] # # * Basic Settings # user = mysql pid-file = /var/run/mysqld/mysqld.pid socket = /var/run/mysqld/mysqld.sock port = 3306 basedir = /usr datadir = /var/lib/mysql tmpdir = /tmp language = /usr/share/mysql/english skip-external-locking