（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.
正确答案
答案解析
略
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