4.326 DBA_HIST_IM_SEG_STAT
DBA_HIST_IM_SEG_STAT
displays information about historical in-memory segment statistics.
Column | Datatype | NULL | Description |
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Unique snapshot ID |
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Database ID for the snapshot |
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Instance number for the snapshot |
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Tablespace number |
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Dictionary object number |
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Data object number |
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Size of in-memory version of the segment in bytes |
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Count of segment statistics |
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Delta values for in-memory scans |
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The total number of changes that were part of an update or delete operation that were made to segment blocks |
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Delta value for database block changes |
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Count of compression units (CUs) populated per segment |
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Delta value for compression unit (CU) populate operations |
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Count of CUs repopulated per segment |
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Delta value for compression unit (CU) repopulate operations |
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The database ID of the PDB for the sampled session |
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The ID of the container that
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