Purpose
The DBA_OB_TABLE_OPT_STAT_GATHER_HISTORY view displays the collection history of a table.
Note
This view is introduced since OceanBase Database V4.2.0.
Columns
| Column | Type | Nullable? | Description |
|---|---|---|---|
| OWNER | VARCHAR2(128) | YES | The username of the owner of the table. |
| TABLE_NAME | VARCHAR2(256) | NO | The name of the table. |
| TASK_ID | VARCHAR2(36) | NO | The ID of the task for collecting statistics of the table. |
| STATUS | VARCHAR2(8) | NO | The status of the collection task. Valid values:
|
| START_TIME | TIMESTAMP(6) | YES | The start time of collection. |
| END_TIME | TIMESTAMP(6) | YES | The end time of collection. |
| MEMORY_USED | NUMBER | YES | The memory used for collection. |
| STAT_REFRESH_FAILED_LIST | VARCHAR2(4096) | YES | The list of failures to refresh the statistics cache during table statistics collection. |
| PROPERTIES | VARCHAR2(4096) | YES | The attribute settings for table statistics collection. |