| openid | | varchar(255) | NO | | | |
| timezone | PHP-legal timezone | varchar(128) | NO | | | |
| language | default language | varchar(32) | NO | | en | |
-| register_date | timestamp of registration | datetime | NO | | 0000-00-00 00:00:00 | |
-| login_date | timestamp of last login | datetime | NO | | 0000-00-00 00:00:00 | |
+| register_date | timestamp of registration | datetime | NO | | 0001-01-01 00:00:00 | |
+| login_date | timestamp of last login | datetime | NO | | 0001-01-01 00:00:00 | |
| default-location | Default for item.location | varchar(255) | NO | | | |
| allow_location | 1 allows to display the location | tinyint(1) | NO | | 0 | |
| theme | user theme preference | varchar(255) | NO | | | |
| expire | | int(11) unsigned | NO | | 0 | |
| account_removed | if 1 the account is removed | tinyint(1) | NO | | 0 | |
| account_expired | | tinyint(1) | NO | | 0 | |
-| account_expires_on | timestamp when account expires and will be deleted | datetime | NO | | 0000-00-00 00:00:00 | |
-| expire_notification_sent | timestamp of last warning of account expiration | datetime | NO | | 0000-00-00 00:00:00 | |
-| service_class | service class for this account, determines what if any limits/restrictions are in place | varchar(32) | NO | | | |
+| account_expires_on | timestamp when account expires and will be deleted | datetime | NO | | 0001-01-01 00:00:00 | |
+| expire_notification_sent | timestamp of last warning of account expiration | datetime | NO | | 0001-01-01 00:00:00 | |
| def_gid | | int(11) | NO | | 0 | |
| allow_cid | default permission for this user | mediumtext | NO | | NULL | |
| allow_gid | default permission for this user | mediumtext | NO | | NULL | |