单选题You create a data block based on a relational table containing a REF column. You select the REF column for your form module. What is true about the items based on the REF column attributes?（）A The Query Only property is set to Yes. B The Conceal Data p
题目
单选题
You create a data block based on a relational table containing a REF column. You select the REF column for your form module. What is true about the items based on the REF column attributes?（）
A
The Query Only property is set to Yes.
B
The Conceal Data property is set to Yes.
C
The Insert Allowed property is set to Yes.
D
The Update Allowed property is set to Yes.