Wissen Technology Salesforce Developer Interview Questions and Answers

Triggers are pieces of code that execute before or after specific events occur on a record.

• Triggers can be used to automate processes, enforce business rules, and maintain data consistency.

• Triggers can be written in Apex and are associated with a specific object.

• Triggers can be executed before or after insert, update, delete, or undelete operations.

• Triggers can access and modify related records and perform complex vali

Custom settings are org-wide while custom metadata is record-specific.

• Custom settings are used to store data that is org-wide and can be accessed by all users.

• Custom metadata is used to store data that is specific to a record or a set of records.

• Custom settings can be accessed using the hierarchy custom setting or the list custom setting.

• Custom metadata can be accessed using the Metadata API or the Apex Metadata API.

• Cu...read more

Apex asynchronous batch is used for processing large data sets asynchronously.

• Batch Apex is used for processing large data sets asynchronously

• It is used to avoid governor limits and timeouts

• Batch Apex can be scheduled to run at a specific time or can be executed manually

• Example: Updating all accounts with a specific field value using Batch Apex