本文主要是介绍Write down for Segments, Extents, and Blocks,对大家解决编程问题具有一定的参考价值,需要的程序猿们随着小编来一起学习吧!
Segments, Extents, and Blocks(段、区、块)
• Segments exist in a tablespace.
• Segments are collections of extents.
• Extents are collections of data/undo blocks. 8k
• Data/undo blocks are mapped to disk blocks.
引用下官方的关系图
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