Q28. What is an Apex trigger in Salesforce?
a) It is a piece of code that is executed by the Salesforce server to perform certain tasks when a record is saved.
b) It is a user interface element used to display data to users.
c) It is a file that is uploaded to Salesforce and can be referenced in code, such as a JavaScript or CSS file.
d) It is a collection of fields that can be used to create custom objects in Salesforce.
