Overview of Segments (22)
A segment is a set of extents that contains all the data for a specific logical storage
structure within a tablespace. For example, for each table, Oracle allocates one or more
extents to form that table’s data segment, and for each index, Oracle allocates one or
more extents to form its index segment.
1. segment是一組extents
2. 包含某指定的邏輯儲存結構的所有資料
3. 分配資料段form資料,分配索引段form索引
form
n.
形狀, 形態, 外形, 表格, 形式
v.
形成, 構成, 排列, (使)組成
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