Pre-General Availability Draft: 2017-09-21
The MySQL server has many operating parameters, which you can change at server startup using command-line options or configuration files (option files). It is also possible to change many parameters at runtime. For general instructions on setting parameters at startup or runtime, see Section 5.1.4, “Server Command Options”, and Section 5.1.5, “Server System Variables”.
On Windows, MySQL Installer interacts with the user and creates a
my.ini in the base installation
directory as the default option file.
On Windows, the
.cnf option file extension might not be
On any platform, after completing the installation process, you
can edit the default option file at any time to modify the
parameters used by the server. For example, to use a parameter
setting in the file that is commented with a
character at the beginning of the line, remove the
#, and modify the parameter value if necessary.
To disable a setting, either add a
# to the
beginning of the line or remove it.
For additional information about option file format and syntax, see Section 4.2.6, “Using Option Files”.