The Transactions page contains the Transactions grid, which shows current transactions, and their associations with user sessions and rollback segments.
To open the Transactions page
Click Activity | Transactions.
 
Grid on the Transactions Page
Tip: To display session details, right-click a transaction and select Session Details. Session Details Page
| Column | Description | 
|---|---|
| 
 SID  | 
 The session identifier.  | 
| 
 Serial #  | 
 The Session serial number.  | 
| 
 Oracle user  | 
 The Oracle Username.  | 
| 
 Command  | 
 The command currently running (last statement parsed).  | 
| 
 Session status  | 
 The status of the session.  | 
| 
 OS user  | 
 The operating system username.  | 
| 
 Transaction status  | 
 The status of the transaction.  | 
| 
 Start time  | 
 The time at which the transaction started.  | 
| Rollback segment | 
 The rollback segment used by the transaction.  | 
| 
 Consistent changes  | 
 The number of consistent changes.  | 
| 
 Consistent gets  | 
 The number of consistent gets.  | 
| 
 Logical I/O  | 
 The amount of logical I/O performed.  | 
| 
 Physical I/O  | 
 The amount of physical I/O performed.  | 
| 
 Used blocks  | 
 The number of UNDO blocks used by this transaction.  | 
| 
 Used records  | 
 The number of UNDO records used by this transaction.  | 
Note: Not all columns are visible by default. Use the Column Organizer to view hidden columns. Show, Hide & Order Columns