Q1: An error caused by missing comma, type mismatching etc.
Q2: A small built-in program which lets us to create table, form, and reports automatically.
Q3: The field property specifies whether data must be entered in a field or not.
Q4: The field property control and limit the values that can be accepted into a field.
Q5: The field property that enables a user to set a descriptive label for the field.