Salesforce Developer Interview Questions Top 50
Top 50 Salesforce Developer Interview Questions You need to Prepare ⋅ If you are going for a Salesforce Developer interview, you should check the given top 50 Salesforce Developer interview questions and answers. Apex programming, Governor Limits, SOQL vs SOSL & Triggers, Visualforce and best practices can be common topics.
Salesforce Developer Interview Questions, In contrast to scenarios that involve building and customizing data, Salesforce architect interview questions are broader in nature so understanding how these scenarios work together will allow you to more easily thread through them. If you want to ace your interview as a Salesforce developer, then make sure to prepare Interview Questions and Answers on Security, DML operations and API usage. If you learn these Salesforce Developer interview questions well, your success rate will increase tremendously.
In this Salesforce tutorial, we have compiled all the Salesforce Developer Interview Questions that are frequently asked in interviews. All write-ups are as concise as possible, simulating the way a consultant would respond to such questions in an interview.
Salesforce Developer Interview Questions and Answers
1. What is Salesforce?
The Salesforce platform is a cloud-based customer relationship management (CRM) solution for managing a business’s relationships and interactions with potential customers and clients.
2. What is Role of Salesforce Developer?
Salesforce Developers are expertise in application design and coding on the Salesforce platform using special languages such as Apex and Visualforce.
3. What is Apex in Salesforce?
Developer can execute flow and transaction control statements on the Salesforce platform using a strongly typed object-oriented programming language called Apex.
4. What Are Governor Limits in Salesforce?
Governor limits are how Salesforce handles sharing resources across all tenants in the cloud. These limits are for SOQL queries, heap size, CPU time and DML actions.
5. Salesforce Trigger ->Apex Salesforce interview questions for beginner in which you have to explain trigger in sales force.
A Trigger is an apex code that can be fired before or after records inserted/updated/deleted in Salesforce.
6. What are SOQL and SOSL?
SOQL (Salesforce Object Query Language) can be used to perform a query in the Salesforce data, and SOSL (Salesforce Object Search Language) is text based search available across multiple object.
7. What is the difference between SOQL query and SOSL query?
SOQL is used to fetch data from a single object whereas SOSL is used for searching multiple objects and fields.
8. What is a Visualforce Page?
Visualforce – it is a framework to create custom user interfaces in Salesforce applications using other standard HTML and an optional tag-based markup language.
9. Profile and Permission Set Difference
So a Profile is the minimum what you can do in Salesforce and Permission Set is nothin but permissions they allow for an individual user without changing their profile.
10. What is a Salesforce Object?
A Object in Salesforce is Like a database table which Stores Specific Data. Objects are of two types — Standard Objects and Custom Objects.
11. What are Standard Objects?
These are the built-in objects that Salesforce provides namely Accounts, Contacts, Leads and Opportunities.
12. What are Custom Objects?
Custom Objects: are user-defined objects that allow the input of data specific to an organization.
13. When do you use @isTest?
Defines a test method for verifying Apex code functionality. Must be declared within a class annotated with @isTest or as inner classes, and must either not include the visible modifier (default is private) or include the private or public modifier.
14. Test Class in Salesforce — Test class basically is used to perform testing on the Apex classes and triggers.
In Salesforce, a Test Class is written to ensure that Apex classes and triggers function correctly. It is used for code deployment in unit test coverage.
15. What is the difference between a role and a profile?
A Role dictates record-level visibility whilst a Profile dictates what users can do within Salesforce (CRUD permissions).
16. What basically is a Lookup Relationship?
Salesforce Lookup Relationship – A Lookup Relationship is used to link two objects only if we do not want to have a strict dependency between them.
17. What Is a Master-Detail Relationship?
A Master-Detail Relationship is the relationship which indicates that child object can not exist without Parent Object.
18. What are Junction Objects?
Example of Junction objects – Custom Objects used to create many-to-many relationships
19. What is an API in Salesforce?
Salesforce APIs enable external systems to access and manipulate Salesforce data. They are REST API, SOAP API and Bulk API.
20. What is DML in Salesforce?
In salesforce, Any operation related to Data Manipulation Language i.e inserting/updating/deleting/merging of records comes under DML operations.
21. What is Asynchronous Apex?
Asynchronous Apex allows the background-running operations such as @future methods, Queueable Apex, Batch Apex.
22. What is Batch Apex?
Batch Apex is an asynchronous method for processing large data sets. It enables developers to configure a job to be broken up into chunks of work.
23. What is a Wrapper Class?
A Wrapper Class is a class from user defined where properties of more than one objects are wrapped together in a singular object.
24. What does System. runAs()?
System. test classes make use of runAs() to test with different user profiles and their permissions.
25. What is SOQL Queries Governor Limit for the Governor?
Limit: 100 SOQL queries per transaction.
26. What is Future Method?
Ans : Future method is an asynchronous way to run the process in Salesforce. Methods with @future annotation in SalesForce are standard approach to run this asynchronously and avoid governor limits.
27. What is a Workflow Rule?
Workflow Rules are used to automate common internal procedures and processes, like sending email alerts, updating fields, and assigning tasks.
28. What is Process Builder?
Process Builder — A cloud-based point-and-click automation tool in Salesforce to automate the processes (Updating records, sending emails, launching flows etc.:).
29. What is the difference between Workflow and Process Builder?
On the contrary, only a limited of automation options can be achieved by means of workflow compared to process builder which offers more advanced capabilities such as creating records and invoking other processes.
30. What is a Salesforce Sandbox?
A Sandbox: a clone of your Production Account for development, testing and training
31. Salesforce – What is a Change Set?
A Change Set is used to migrate customizations between the related orgs, for example from sandbox to production.
32. What does Shield platform encryption do?
Sensitive data is stored at rest and encrypted with Shield Platform Encryption.
33. What is a Permission Set?
Permission Set is used to extend user access permissions without changing the UserProfile.
34. What is OAuth in Salesforce?
OAuth OAuth is an open standard for token-based authentication and authorization.
35. What Is a Salesforce Trigger Best Practice?
The best practices are to avoid soql inside loop, use bulk safe methods and ensuring that triggers execute only when they need to.
36. What are Custom Labels in Salesforce?
Custom Labels let developers define multilingual text values to incorporate in Apex classes, Visualforce pages or Lightning components.
37. What is Salesforce DX?
Salesforce DX provides a modern development experience for constructing applications from end to end on the Salesforce platform.
38. Purpose of the database. rollback() method?
The database. rollback() method is used for rolling back transactions and should be called if an error arises during a transaction.
39. Why Use Apex Describe method?
Describe apex method is used to know the metadata information about objects, fields and other database entities.
40. What is the test. startTest() and test. stopTest() used for?
test. startTest() and test. Setup and execute all async calls inside the block from startTest() to stopTest().
41. Salesforce exception handling Tips Tricks How do you handle exceptions in Salesforce?
Catch blocks are used for handling exceptions in Apex.
42. One of the types of asynchronous apex is Queueable Apex.
Queueable Apex is for executing asynchronous jobs and it has nice job chaining ability compared to registering the jobs using @future methods.
43. In Salesforce, what is Callout?
A Callout is an outbound request that Salesforce sends to an external web service.
44. How many fields can the user add to a custom object?
Maximum is 800 for custom fields per object
45. Write down the Difference between Static and Instance method in Apex.
Static Method: A static method belongs to the class itself and an instance method belongs to an instance of the class.
46. What is a Controller in visualforce?
A Controller is An Apex class which contains the logic for a visualforce page.
47. Introduction to Custom Metadata Types?
Custom Metadata Types are themselves a little like custom objects, but they are designed to hold configuration records that you want to reference within your code.
48. How is DatabaseDifferent than database. insert() and insert DML operation?
Database. insert() is partially successful where as insert DML will rollback if any error occurs.
49. What is Batchable apex interfaces?
Batch Apex is an interface that allows developers to manage long-running asynchronous processes. Database. Batchable — This lets developers handle records in bulk and asynchronously.
50. Data validation rules in Salesforce?
Data Validation rules in Salesforce are applied by what or how(Formulas) and these rules can either be implemented through a custom process using apex triggers/class or Workflow Rule if using declarative development. At the field level, Validation Rules enforce business logic that prevents valid data entry only when a certain condition is met.