| XID | RAW(8) |  | Transaction identifier | 
| START_SCN | NUMBER |  | Transaction start system change number (SCN) | 
| START_TIMESTAMP | DATE |  | Transaction start timestamp | 
| COMMIT_SCN | NUMBER |  | Transaction commit system change number; NULL for active transactions | 
| COMMIT_TIMESTAMP | DATE |  | Transaction commit timestamp; NULL for active transactions | 
| LOGON_USER | VARCHAR2(30) |  | Logon user for the transaction | 
| UNDO_CHANGE# | NUMBER |  | Undo system change number ( 1or higher) | 
| OPERATION | VARCHAR2(32) |  | Forward-going DML operation performed by the transaction: 
D- Delete
I- Insert
U- Update
B
UNKNOWN
 | 
| TABLE_NAME | VARCHAR2(256) |  | Name of the table to which the DML applies | 
| TABLE_OWNER | VARCHAR2(32) |  | Owner of the table to which the DML applies | 
| ROW_ID | VARCHAR2(19) |  | Rowid of the row that was modified by the DML | 
| UNDO_SQL | VARCHAR2(4000) |  | SQL to undo the DML indicated by OPERATION |