How to configure mysql database environment variables

You can set environment variables in the MySQL database through the following three methods: Using the command line: export MYSQL_ENV_VAR=VALUE Using the .env file: MYSQL_ENV_VAR=VALUE Using the MySQL configuration file: Add env- under the [mysql] section var=VALUE

How to set environment variables in MySQL database

Method 1: Using the command line

In the command line, run the following command:

<code>export MYSQL_ENV_VAR=VALUE</code>

Where, MYSQL_ENV_VAR is the name of the environment variable, VALUE is the value to be set value.

For example, to set the MYSQL_USER environment variable to root:

<code>export MYSQL_USER=root</code>

Method 2: Use .env File

Create a file named .env and add the following lines:

<code>MYSQL_ENV_VAR=VALUE</code>

Place the .env file where required directory using environment variables.

Method 3: Using the MySQL configuration file

In the MySQL configuration file (usually located at /etc/my.cnf), add the following lines :

<code>[mysql]
env-var=VALUE</code>

Among them, [mysql] is the name of the client part, env-var is the name of the environment variable, VALUE is the The value to set.

For example, to set the MYSQL_USER environment variable to root:

<code>[mysql]
user=root</code>

Note:

• The value of the environment variable must be enclosed in quotes to prevent problems.
• Environment variables must be set before using commands or scripts.
• You can use the printenv command to check the value of the environment variable.

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