| ewt_id | int(11) | NO | | PRI | auto_increment | |
| ewt_cus_id | int(11) | NO | 0 | | | Customer ID# |
| ewt_cli_id | int(11) | NO | 0 | MUL | | Client ID# |
| ewt_pat_id | int(11) | NO | 0 | MUL | | Patient ID# |
| ewt_req_filepath | varchar(256) | NO | | | | String Request filpath, currently XML |
| ewt_res_filepath | varchar(256) | NO | | | | String Response filpath, currently XML |
| ewt_time | int(11) | NO | 0 | | | Time to complete request in milliseconds |
| ewt_success | tinyint(1) | NO | 1 | | | Indicates request was successful |
| ewt_modified | timestamp | YES | CURRENT_TIMESTAMP | | on update CURRENT_TIMESTAMP | |
| ewt_created | timestamp | YES | CURRENT_TIMESTAMP | | | |