单选题which one of the following accurately describes field names?（）A they must be unique in a database B they can only be used once in a view C they can only used once on each form D they can be used mulriple times on a form
题目
单选题
which one of the following accurately describes field names?（）
A
they must be unique in a database
B
they can only be used once in a view
C
they can only used once on each form
D
they can be used mulriple times on a form