Assume That Salespeople at Your Firm Make Many Errors When

Assume that salespeople at your firm make many errors when inputting sales data to the firm's Access database.Your manager has asked you to find a way to reduce data input errors.A good approach for reducing data entry errors would be to:

A) create one or more validation rules
B) create one or more validation texts
C) make sure that none of the data fields are required
D) define several primary keys for each of the data fields containing errors
E) make sure that every data field is a "short text" data type