Tech Mahindra Software Engineer and Salesforce Developer Interview Questions, Process, and Tips

Salesforce security model ensures data protection through various layers of security features.

• Salesforce uses a role hierarchy to control access to data based on user roles.

• Permissions and sharing settings determine what data users can access.

• Field-level security restricts access to specific fields on objects.

• Profiles and permission sets define user permissions and access levels.

• Salesforce also offers encryption option

Lookup relationship is loosely coupled while master-detail relationship is tightly coupled in Salesforce.

• Lookup relationship does not impact the deletion of related records, while master-detail relationship does.

• In lookup relationship, child records do not inherit the security and sharing settings of the parent record, while in master-detail relationship they do.

• Lookup relationship can be set to optional, while master-...read more

Apex is a strongly typed, object-oriented programming language used in Salesforce for creating custom business logic.

• Apex is similar to Java and C# in syntax and structure

• It allows developers to add custom code to Salesforce applications

• Used for writing triggers, controllers, and batch processes

• Can interact with Salesforce database using SOQL and DML statements

A trigger is a piece of code that is executed before or after specific events occur in Salesforce.

• Triggers are used to perform custom actions like updating related records or sending email notifications.

• Events in Salesforce that can trigger a trigger include before insert, before update, after insert, after update, etc.

• Triggers are written in Apex programming language and are associated with specific objects in Salesfo...read more

Asynchronous Apex is used to run processes in the background, allowing for long-running tasks without blocking the user interface.

• Asynchronous Apex allows for processing tasks in the background without blocking the user interface.

• It is commonly used for long-running processes like sending email notifications, updating records, or making callouts to external systems.

• Using asynchronous Apex helps improve performance and ...read more

Yes, we can call future method from batch Apex.

• Future methods can be called from batch Apex to perform asynchronous processing.

• This can be useful for offloading long-running tasks to future methods to avoid hitting governor limits.

• Example: Calling a future method to update records in Salesforce after processing them in a batch job.

Deployment process for Salesforce involves moving changes from one environment to another using tools like Salesforce DX or Change Sets.

• Create a deployment package containing metadata components like Apex classes, Visualforce pages, triggers, etc.

• Use tools like Salesforce DX, Change Sets, or Metadata API to deploy changes to target environment.

• Run tests in target environment to ensure changes do not break existing func...read more

Aura bundles are containers for organizing related resources in a Lightning component.

• There are three types of bundles in Aura components: Component Bundle, Application Bundle, and Event Bundle.

• Component Bundle contains the markup, controller, helper, style, and documentation for a single component.

• Application Bundle contains the markup, controller, helper, style, and documentation for an application.

• Event Bundle conta...read more