Disabling the MySQL command history reduces the probability of exposing sensitive information, such as passwords and encryption keys.
Solution
Perform the following steps to remediate this setting: Remove .mysql_history if it exists. Use either of the techniques below to prevent it from being created again: Set the MYSQL_HISTFILE environment variable to /dev/null. This will need to be placed in the shell's startup script. Create $HOME/.mysql_history as a symbolic to /dev/null. > ln -s /dev/null $HOME/.mysql_history