但反之亦然。
但如果自最后备份以后将只读更改为读写,或反之亦然,那您就必须恢复文件,并在其上进行媒介恢复。
However, if you change from read-only to read-write vice-versa since last backup, you have to restore the file and do a media recovery on it.
但这都不是完全绝对的:某些操作对于大表表现的很棒,然而对于小表就不那么让人满意了,反之亦然。
There are few absolutes in this section; often you will hear that a certain operation is great under large tables but horrible for small ones or vice-versa.
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