单选题Where can you add your own PL/SQL code in relation-handling triggers?（）ABefore the End default relation program section comment. BAfter the Begin default relation program section comment. CBefore the Begin default relation program section comment. DIt is not possible to modify the relation-handling code that Forms automatically creates for relations.
单选题
Where can you add your own PL/SQL code in relation-handling triggers?（）
A
Before the End default relation program section comment.
B
After the Begin default relation program section comment.
C
Before the Begin default relation program section comment.
D
It is not possible to modify the relation-handling code that Forms automatically creates for relations.
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