What was covered:
# What is a Validation Rule?
# Key Terms
# Why Use Validation Rules?
# How It Works (Simple Logic)
# Examples
Create validation rules to ensure data accuracy on Opportunity Object by:
1) Preventing users from setting the Close Date to a past date.
2) Allowing only numeric values in the Order Number field (no letters or special characters). <<From Vivian
Assignments as promised for validation rules: Complete and attach the screen shots of your solution here, Thanks.
1) Create a validation rule on the Opportunity object to ensure the Amount is greater than zero.
2) Create a validation rule on the Contact object to ensure that the Birthdate cannot be a future date.
3) Create a validation rule on the Account object to ensure the Phone number field is filled in.