FLASHBACK_TRANSACTION_QUERY displays information about all flashback transaction queries in the database. The database must have at least minimal supplemental logging enabled to avoid unpredictable behavior.
| Column | Datatype | NULL | Description | 
|---|---|---|---|
| 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: 
 | |
| 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 | 
See Also:
Oracle Database Utilities for information on how to enable minimal supplemental logging