dba_undo_extents 清疚 2022-08-29 00:22 14阅读 0赞 DBA\_UNDO\_EXTENTS描述包含数据库中所有撤消表空间中的段的扩展数据块。 * [DBA\_UNDO\_EXTENTS][DBA_UNDO_EXTENTS] select distinct extent_id, bytes/1024, status from dba_undo_extents order by 1; ![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2hlenVpaml1ZGV4aWFvYmFp_size_16_color_FFFFFF_t_70] **status** ![在这里插入图片描述][525820eba2954e3ca490d48828591f42.png] [DBA_UNDO_EXTENTS]: https://docs.oracle.com/en/database/oracle/oracle-database/19/refrn/DBA_UNDO_EXTENTS.html#GUID-3F3029DE-4EB7-429E-A5B0-40890D22899F [watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2hlenVpaml1ZGV4aWFvYmFp_size_16_color_FFFFFF_t_70]: /images/20220829/a009fa18eafc451fb9707432a8a3ddea.png [525820eba2954e3ca490d48828591f42.png]: /images/20220829/d085a6ee847a4b60a2b701fed2f00bf2.png
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