Interview Q & A

  1. What are Apex Governor Limits?
  2. What are the types of email templates available in salesforce.com?
  3. What is Roll up summary field in Salesforce?
  4. How many types of the relationship fields available in Salesforce?
  5. How to create many to many relationships between object?
  6. In Which sequence Trigger and automation rules run in Salesforce.com ?
  7. How to delete the User from Salesforce?
  8. How to delete the users data from Salesforce?
  9. How to restrict the user to see any record, lets say opportunity?
  10. What is the difference between trigger.new and trigger.old ?
  11. Salesforce provides two WSDL files, what are the differences?
  12. How to restrict any Trigger to fire only once ?
  13. How to display error messages in the visualforce page ?
  14. What is the controller extension ?
  15. Explain the need or importance of the controller extension.
  16. How to read the parameter value from the URL in Apex?
  17. Can we convert the lookup relationship to Master Detail relationship?
  18. Can we create Master Detail relationship on existing records?
  19. What is the difference between database.insert and insert ?
  20. What is Difference in render, rerender and renderas attributes of visualforce?
  21. What is Scheduler class in Apex?
  22. What is the difference between External ID and Unique ID?
  23. How to get the picklist value in Apex class?
  24. What are the types of controller in visual force?
  25. How many Controllers can be used on single VF page?


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