EXA_DBA_IMPERSONATION_LAST_DAY
                                                                This system table contains all impersonation of last day. Only users with the SELECT ANY DICTIONARY system privilege have access to the table.
For details about impersonation, see IMPERSONATE.
| Column Name | Description | 
|---|---|
IMPERSONATOR
                                                                             | 
                                                                            User impersonating | 
IMPERSONATEE
                                                                             | 
                                                                            User being impersonated | 
SESSION_ID
                                                                             | 
                                                                            Session id of impersonation | 
STMT_ID
                                                                             | 
                                                                            First statement of the new effective user |