| APPLIED_SCN
 | NUMBER
 |  | Shows the newest SCN at which all changes have been applied. The values in the APPLIED_SCNandNEWEST_SCNcolumns will match if all available redo log data has been processed. | 
| APPLIED_TIME
 | DATE
 |  | Estimate of the time and date of the APPLIED_SCN | 
| READ_SCN
 | NUMBER
 |  | All log data greater than this SCN has been read and saved | 
| READ_TIME
 | DATE
 |  | Estimate of the time and date of the READ_SCN | 
| NEWEST_SCN
 | NUMBER
 |  | Most recent SCN available on the standby system. If no more logs are being shipped, then changes could be applied to this SCN. The values in the APPLIED_SCNandNEWEST_SCNcolumns will match if all available redo log data has been processed. | 
| NEWEST_TIME
 | DATE
 |  | Estimate of the time and date of the NEWEST_SCN |