Section: Volume A
Explanation/Reference: But only when they have been granted login access rights by those subordinates.

Case Checks a given expression against a series of values. If the expression is equal to a value, returns the corresponding result. If it is not equal to any values, it returns the else _result IF Determines if expressions are true or false. Returns a given value if true and another value if false

The relationship field is required on all detail records.
Once the value of the relationship field has been saved, it cannot be changed.
The ownership and sharing of a detail record are determined by the master record.
When a user deletes the master record, all detail records are deleted.
You can create rollup summary fields on the master record to summarize the detail
records.