The above example shows that during roll-forward if point in time (PIT) specified in the command is old or early, you get error message (SQL1275N).

以上例子表明，在前滚期间，如果命令中指定的时间点(PIT)过早，那么会收到错误消息(SQL 1275n)。

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For the example, the command is as follows (with error handling).

对于本实例而言，命令如下(具备错误处理)。

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The ERR goes with the signal list within the trap command. In the following example, a non-existent file is copied, which invokes an error

ERR 在 trap 命令中提供了一个信号列表。

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