A database is divided into one or more logical storage units called tablespaces.
Tablespaces are divided into logical units of storage called segments, which are further
divided into extents. Extents are a collection of contiguous blocks.
database->tablespaces->segments->extents->blocks(contiguous)
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本文解析了数据库的基本结构,从最高级的tablespace开始,逐步分解到segment、extent以及最终的block层级,帮助理解数据库的存储原理。
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