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15 年
commit了事务,还能rollback吗?
在Oracle中,如果对某个事务commit了,它修改前的数据是否还是在缓存中? 如果还在的话,那么commit之后,还能进行回退吗?怎么回退啊?
当前正在显示可能无法访问的结果。
隐藏无法访问的结果
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