Deactivate all the plugins in wordpress when not able to access wp-admin

In Wordpress sometimes you may see a blank white screen when you visit your website.

In this case,you can deactivate all the plugins and then activate one by one.To deactivate all the plugins without using wp-admin,there are two methods,

1.Deactivate all the plugins using FTP

Navigate to the /wp-content/ folder. You will see a folder called plugins. Rename the plugins folder to anything that you like.

2.Deactivate all the plugins using phpMyAdmin

In your WordPress database, go in the wp_options table. Locate the option name "active_plugins". Now edit the value of that option and change it to this: a:0:{}