What is data config file?
what is process config file?
which time zone used in data loader?
how to enable european date format in data loader?
​how to run data loader from command prompt?

What is data config file?
what is process config file?
which time zone used in data loader?
how to enable european date format in data loader?
how to run data loader from command prompt?

1 Best Practices of a trigger
2. Is it advisable to call batch class from trigger? If Yes, Why? If No, Why?
3. What are actionSupport and actionFunction? Differences ?
4. What is viewstate error? Best Practices to avoid the same ?
5. OWD on an object is Private. On Profiles, Only READ access has been provided and there are no permission sets assigned, but still user is able to view and edit records. what might be the reason?
6. What happens if you delete one of the master records in many to many relationship ?
7. What are the tough situations which you faced in project technically?
8. Data from popup window needs to be passed back to calling parent window. How to achieve this ?
9. What are custom settings ?
10. Can we deploy a class without test class/ code coverage? Is it advisable? If Not, Why?
11. Difference between Enterprise and partner WSDL
12. Which one you prefer, SOAP or REST for mobile applications ?
13. Workflow rule limitations ?
14. How do you control the insertion or deletion of detail records ?
15. Validation rule to allow only a particular user to edit a field. For others, error message should thrown?
16. What is database.stateful ?

Describe about the SOQL injection?......  
What is dynamic pick list? \
What is the stages of Opportunity?  
What are the different ways to Share a record?
What is the difference between Salesforce license and Force.com License?