Index_U

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U

Undo

activity reports, 606

space, 602

tablespaces, 95, 101, 603

Undo block address (UBA), 105

Undo management, 151, 154–61

DBA_UNDO_EXTENTS, 603–4

defined, 8, 154

free block pool table, 161

retention table, 161

rollback segment method, 154

UNDO$, 605–6

undo tablespace method, 154–60

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