Which of the following database objects can be used to raise an error if a table is updated?（）
- A、Package
- B、Trigger
- C、Stored Procedure
- D、Informational Constraint
正确答案:B
答案解析:有
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IBM认证考试
IBM认证考试
Which of the following database objects can be used to raise an error if a table is updated?（）
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