Schema builder in Salesforce is used to get all the objects and different kinds of relationships in one place. It can be used to modify and design new data models. Objects and fields can be created or modified in the schema builder.

The main Usage of a proxy model is to override the main functionality of existing Model. It is a type of model inheritance without creating a new table in Database. It always queries on original model with overridden methods or managers.

Know about software development life cycle(SDLC) and its phases to build a systematic, quality and well-structured application.

Django rest-framework passes extra context data to serializers for the best design of rest applications. we can use "context" parameter in serializers to pass extra context. In viewsets, generic view simply override or overload the method get_serializer_context.

By using routers in django-rest-framework we can avoid writing of url patterns for different views. Routers will save a lot of time for developing the API for larger projects. Routers generates standardized url patterns for better maintenance of url structure. We can expect consistent behaviour from viewsets and routers. We can also avoid repetitive code in views.

Salesforce provides two relationships known as one to many relationship and many to many relationship(this can be done using junction object). Hence in this, we create one to one relationship by using lookup field, using roll up summary and triggers.

Process builder is the best automation tool available in Salesforce which can perform complex workflows seamlessly to automate anyone's business process. We can view process in graphical representation before activating it.

Opportunity splits allows sales representatives to divide credit and revenue on any sales deal. If your sales process splits revenue from closed-won deals to give credit more than one team member then opportunity split feature will be used.

Companies frequently need web page data to be converted into pdf. So, they can have an easy look into the progress. For this in salesforce we can convert visual-force pages, which consist of critical data into PDF format.

Single sign on is a way for users to issue a security token for the first time login, login into multiple applications using one set of credentials i.e security token.
Adding sso to an application will make things easier for users because they don't need to remember login credentials for multiple applications. User just needs to enter their login credentials for the first time instead of re-entering their credentials for every application login.