| erx_config_id | int(11) unsigned | NO | | PRI | auto_increment | |
| erx_config_ans1_server | varchar(64) | NO | | | | |
| erx_config_ans2_server | varchar(64) | NO | | | | |
| erx_config_request_version | varchar(6) | NO | | | | |
| erx_config_ans_refresh_interval | int(11) | NO | | | | |
| erx_config_ans_refresh_limit | int(11) | NO | | | | |
| erx_config_not_refresh_limit | int(11) | NO | | | | |
| erx_config_last_message_id | int(11) unsigned | NO | | MUL | | |
| erx_config_vendor_name | varchar(16) | NO | | | | |
| erx_config_vendor_pass | varchar(16) | NO | | | | |
| erx_config_vendor_key | varchar(16) | NO | | | | |
| erx_config_location_external_id | varchar(255) | NO | | | | External Location ID |
| erx_config_log_transactions | tinyint(1) | NO | 0 | | | Indicate all transactions should be recorded |