Preserving Data Quality How might you use validation rules to prevent data loss?
Answer: Validation rules in conjunction with a roll-up summary field can be used to prevent users from adding or deleting
Explanation:
records.To create a validation rule:
1. Build a roll-up summary on the parent object that sums the number of child records.
2. Create a validation rule on the parent object that conditionally prevents changes to the number listed in the roll-up summary
field. If a user tries to add or delete a record, the validation rule prevents the user from doing that.