Salesforce Developer Interview Questions

1) How many type of Relationship between objects in Salesforce

2)What is the difference between trigger.new and trigger.old?

3) Do picklist dependencies follow through onto the Visual Force code or is there a special tag for it within the code?

4) What are permission sets and how do they differ from profiles.

5) What deployment methods have you used ? List few components which cannot be deployed using force.com IDE or change sets. 

6) How will you load data for a child object? how u load notes and attachment ?

7) How many ways u sharing models (also permission set)

8) Explain lead to opportunity conversion 

9) Different types of Environment

10) How can I create developer, full sandbox.

11) In how many days can one refresh a full sandbox.

12) What are the different ways of making a field mandatory?

14) How do I log a case with salesforce. 

15) What is the order of execution of workflow rules, validation rules, triggers.

16) How can one read parameter values through the URL in Apex

17) What is package.xml

18) Diference betwen Rendered,Rerender,renderas

19) What are Action Support, Action Function and Action Poller used for

20) What is Homepagelayout components, where and how we can used?

21) What are custom settings

22) Custom Label ? How to used in apex code.

23) Error Message on VF. Difference between Message and Messages

24) How do I log a case with salesforce

25) Difference between Insert and Database.Insert.

26) Governor limit in Batch classes

27) We want Custom button on Account Tab ?

28) How to restrict Case to be created for Same Subject.

29) How many extension possible?if same method is used in 2 which will execute ?

30) Difference between SOQL and SOSL? Where we use SOSL

31) What is Scheduler class in Apex ? How to shedule an batch apex ?

32) Which will be inserted first Account Contact User

33) What is Apex Current API version?

34) What are person accounts?

35) Benifit of field set

36) What is the difference between ISNULL and ISBLANK?

37) What are wrapper classes?

38) When do we use wrapper classes? 

39) What is Pageblock Mode ?

40) What is the difference between External ID and Unique ID?

41) How to get the picklist value in Apex class? Best way to get the Pichlist values in VF

42) Explain System.runAs() ? Where we use this

43) In salesforce which fields are indexed automatically 

44) Take care for data type change Data loss