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To: 盖老师
　　Oracle concept 10g文档中第122页“临时表”中，有这样一段描述：

DML statements on temporary tables do not generate redo logs for the data changes.
However, undo logs for the data and redo logs for the undo logs are generated.

如果说临时表中的数据由于不会持久化而不创建redo log可以理解，那么下面的那句话“undo logs for the data and redo logs for the undo logs are generated”又是什么意思呢？

From: Paul
2009.03.01 18:00