Drush

Databases have the urge to grow, in some cases they are so big to manipulate, which means that import and export is imposible with the current tools like cPanel .

The Drush team created a tool which will help us to manipulate the database, which was defined in the settings configuration, regardless its size.

pay attention, most chance that import database will be available to files which ware created by export activity.

Massive improvements in terms of both speed and memory usage with new Composer.

The difference depends on your use case, so while I've seen reports of improvements of over 50% to both in some projects, I cannot put an exact number on it.

As a side note to this, require/remove and partial updates are now much faster because Composer will now only load the metadata of the packages which are being changed.

Drush is a command line shell and Unix scripting interface for Drupal. Drush core ships with lots of useful commands for interacting with code like modules/themes/profiles. Similarly, it runs update.php, executes sql queries and DB migrations, and misc utilities like run cron or clear cache. Drush can be extended by 3rd party commandfiles.

Use these development tools to help you create Drupal sites faster and with less effort.
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