选择题：1. 以下触发器是当对[表1]进行( )操作时触发。Create Trigger abc on 表1

题目内容：

1. 以下触发器是当对[表1]进行( )操作时触发。
Create Trigger abc on 表1
For insert , update , delete
As ……(本题3.0分)
A、只是修改
B、只是插入
C、只是删除
D、修改、插入、删除

参考答案：

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