An extent is a logical unit of database storage space allocation made up of a number of
contiguous data blocks.[@more@]
contiguous data blocks.[@more@]
来自 “ ITPUB博客 ” ，链接：https://blog.itpub.net/10599713/viewspace-934855/ ，如需转载，请注明出处，否则将追究法律责任。
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