Question

You can restrict the entry of data into a field by defining a
for it
a calculated values
b volatile rule
c. validation rule​

Answer 1

Answer:

a. calculate values

Explanation:

To always restrict access to a field on any layout of the database, define a privilege set to permit "view only" field access for that field. See Protecting databases. When you prevent entry into a field in Browse mode, it's no longer possible to copy data in that field to the Clipboard.