A segment is a set of extents that contains all the data for a specific logical storage structure within a tablespace.
段是表空间内由包涵所有数据的区的集合，是一种指定的逻辑存储结构。
A segment is a set of extents that contains all the data for a specific logical storage structure within a tablespace.
表或者簇中的存储参数决定了数据段中区的分配原则。
It is important to plan how the logical storage structure of the database will affect system performance and various database management operations.
这个计划十分重要，数据库的逻辑存储结构将影响数据库的性能和数据库的管理操作。
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