On Unix, the mysql client writes a record of
executed statements to a history file. By default, this file is
named .mysql_history and is created in your
home directory. To specify a different file, set the value of
the MYSQL_HISTFILE environment variable.
The .mysql_history should be protected with
a restrictive access mode because sensitive information might be
written to it, such as the text of SQL statements that contain
passwords. See Section 6.1.2.2, “End-User Guidelines for Password Security”.
It is possible to suppress logging of statements to the history
file by using the --batch or
--execute option.
If you do not want to maintain a history file, first remove
.mysql_history if it exists, and then use
either of the following techniques:
Set the MYSQL_HISTFILE variable to
/dev/null. To cause this setting to
take effect each time you log in, put the setting in one of
your shell's startup files.
Create .mysql_history as a symbolic
link to /dev/null:
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