DBA_HIST_MEMORY_RESIZE_OPS displays memory resize operations history. This view contains snapshots of V$MEMORY_RESIZE_OPS.
| Column | Datatype | NULL | Description | 
|---|---|---|---|
| SNAP_ID | NUMBER | NOT NULL | Unique snapshot ID | 
| DBID | NUMBER | NOT NULL | Database ID for the snapshot | 
| INSTANCE_NUMBER | NUMBER | NOT NULL | Instance number for the snapshot | 
| COMPONENT | VARCHAR2(64) | NOT NULL | Component name | 
| OPER_TYPE | VARCHAR2(13) | NOT NULL | Operation type: 
 | 
| START_TIME | DATE | NOT NULL | Start time of the operation | 
| END_TIME | DATE | NOT NULL | End time of the operation | 
| TARGET_SIZE | NUMBER | NOT NULL | Requested value of the parameter after the resize | 
| OPER_MODE | VARCHAR2(9) | Operation mode: 
 | |
| PARAMETER | VARCHAR2(80) | Name of the parameter for the resize operation | |
| INITIAL_SIZE | NUMBER | Parameter value at the start of the operation | |
| FINAL_SIZE | NUMBER | Real value of the parameter after the resize | |
| STATUS | VARCHAR2(9) | Completion status of the operation: 
 |