Drupal FAQ’s

DRUSH is a very useful tool in Drupal, it helps to perform various admin tasks using one or two commands in the terminal, replacing the need for many clicks and page refreshes in the UI. "DRUSH" is an awesome shell interface for managing Drupal right from our cloud server using command line.

It is a piece of individual content such as a page, poll and article. Most content on a Drupal website is stored/treated as "nodes".

To create a theme in Drupal 8 from scratch :

• Create a theme folder inside Drupal 8 to store your theme in a .info.yml file and libraries file.
• Create the .info.yml file
• Create the .libraries.yml file.
• Start creating the stylesheets
• Now, create designs and then, you have your own theme in Drupal 8.

List of some Seo Modules available in Drupal are :

• Pathauto
• Nodewords/ Meta tags
• Service links
• Google analytics
• Related Links
• Search 404
• Site map
• Url list

Drupal is a Content Management Framework, from which we can build a CMS tailored specifically for our needs.

Through caching Drupal allows to speed up website using different configuration like page caching, block caching and lifetime for cached pages.

Page Caching: It enables the entire HTML of each page to be stored in the database. It reduces the amount of queries needed
Block Caching: You can set the cache setting for a block in views, when block created by views
Minimum cache lifetime: It is the amount of time before the page cache is cleared. On each cron run, page caches are cleared.
Expiration of cached pages: It only applies for an external mechanism, for example, your browser cache or varnish

A patch in Drupal is a file that consists of a list of differences between one set of files and another. All code changes, additions, or deletions to Drupal core and contributed modules/themes between developers are done through patches.

The differences are presented in a structured, standard way, that a patch can be used to apply the changes to another copy of the original file.

Singleton Design pattern is used by Drupal

The disadvantage of Drupal are:
Drupal is not user friendly interface. It requires advanced knowledge and few basic things about the platform to install and modify.
Drupal is a new content management system. It is not compatible with other software.
Performance is low compared to other CMS's. The website which is built using Drupal will generate big server loads and never opens with a slow inte rnet connection.

Taxonomy in Drupal is a powerful core module, which gives our sites use of the organizational keywords known in another systems as categories or tags, or metadata. Taxonomy allows you to connect, relate and classify your website's content. These terms are gathered within "vocabularies". It is the practice of classifying content.

In a database Drupal stores information, and each information has its own database table. The basic information like regarding the nodes of your site are stored and kept in the node table, and if you use the CCK module to add fields to your nodes, the field information is stored in a separate table.

Drupal content render arrays are the basic building blocks. In Drupal, render arrays provide you a structured way to programmatically change the content before it is displayed.

In Drupal, PDO stands for PHP Data Object. It is easy way to access databases. It facilitates developers to write portable code.

In Drupal, crone helps to execute commands or scripts automatically at specified time and date.

People menu is used to create a new account or manage the existing user.

Drupal block is used to organize our content of our website.

A Drupal subtheme is a theme based on a “base theme”. The base theme provides basic functionality. The subtheme styles the site with a unique look, and adds any unique extra functionality.

Dries Buytaert is the original author of Drupal.

Ctools is a set of APIs and tools which is used to improve the developer experience.