Author: tayyaba

 Where XYZ is some class created in the model.

Django supports 3 types of inheritance. They are

Databases that are supported by Django are SQLite(Inbuild), Oracle, PostgreSQL, and MySQL. Django also uses some third-party packages to handle databases including Microsoft SQL Server, IBM DB2, SAP SQL Anywhere, and Firebird. Django does not officially support no-SQL databases such as CouchDB, Redis, Neo4j, MongoDB, etc.

NoSql is also known as a non-relational database that stores data in a form of non-tabular, instead it stores data in the form of a storage model that is optimized for specific requirements of the type of data being stored. The types of NoSQL databases include pure documented databases, graph databases, wide column databases, and…

An exception is a rare occurrence that causes a program to fail. Django has its own exception classes to cope with this circumstance, and it also supports all fundamental Python exceptions. some of the exception classes are listed below:

Django has its own inbuilt caching system that allows us to store our dynamic pages. So that we don’t have to request them again when we need them. The advantage of the Django Cache framework is that it allows us to cache data such as templates or the entire site. Django provides four different types…

We need to configure our database in the settings.py file. By default, SQLite is mentioned there, and we need to change this setting accordingly like Postgres, MongoDB, and MySql.

Using the extends tag in Templates, we can inherit our files in Django, The extends tag is used to inherit these templates. The syntax for inheriting these templates is given as: This syntax helps us to add all the elements of an HTML file into another without copy-pasting the entire code. Django templates not only…

Media root is used to upload user-generated content. We can serve user-uploaded media files locally, using the MEDIA_ROOT and MEDIA_URL settings. User-upload these files are referred to as Media or Media Files in Django. The first step is to include the code below in the settings.py file. MEDIA_ROOT = os.path.join(BASE_DIR, ‘media’)MEDIA_URL = ‘/media/’ MEDIA_ROOT: It is for the server…

Signals are used to take action in response to the modification or creation of a database entry. Its utilities help us to connect events with their action. we can create methods that will run a signal when it is called. For example, as soon as a new user instance is generated in the Database, one…