| Oracle® Database Reference 11g Release 1 (11.1) Part Number B28320-01 |
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View PDF |
| Oracle® Database Reference 11g Release 1 (11.1) Part Number B28320-01 |
|
|
View PDF |
| Property | Description |
|---|---|
| Parameter type | String |
| Syntax | UNDO_MANAGEMENT = { MANUAL | AUTO } |
| Default value | AUTO |
| Modifiable | No |
| Basic | Yes |
| Real Application Clusters | Multiple instances must have the same value. |
UNDO_MANAGEMENT specifies which undo space management mode the system should use. When set to AUTO, the instance starts in automatic undo management mode. In manual undo management mode, undo space is allocated externally as rollback segments.
