Salesforce DEV-401 - Building Applications with Force.com and Visualforce
Identify all statements that are true:
Preserving Data Quality How might you use validation rules to prevent data loss?
If a lookup field is optional, what actions can you define for the field if someone deletes a referenced lookup record? (Select all that apply)
Change sets can be used to move data and metadata from one organization to another.
What does Field History Tracking do?