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To specify an option using an environment variable, set the variable using the
syntax appropriate for your comment processor. For example, on Windows or
NetWare,
you can set the USER
variable to specify your MySQL account name.
To do so, use this syntax:
SET USER=your_name |
The syntax on Unix depends on your shell. Suppose you want to specify the
TCP/IP port number using the MYSQL_TCP_PORT
variable. The syntax for
Bourne shell and variants (sh
, bash
, zsh
, etc.) is:
MYSQL_TCP_PORT=3306 |
For csh
and tcsh
, use this syntax:
setenv MYSQL_TCP_PORT 3306 |
The commands to set environment variables can be executed at your command
prompt to take effect immediately. These settings persist until you log out.
To have the settings take effect each time you log in,
place the appropriate command or commands in a startup file that your
command interpreter reads each time it starts. Typical startup files are
`AUTOEXEC.BAT' for Windows, `.bash_profile' for bash
, or
`.tcshrc' for tcsh
. Consult the documentation for your command
interpreter for specific details.
E. Environment Variables lists all environment variables that affect MySQL program operation.