CREATE TABLE `coding_sys` (
  `coding_sys_id` integer PRIMARY KEY AUTO_INCREMENT,
  `abb` varchar(10) UNIQUE,
  `name` varchar(255),
  `description` text,
  `create_date` datetime,
  `end_date` datetime
);

CREATE TABLE `races` (
  `race_id` integer PRIMARY KEY AUTO_INCREMENT,
  `site_id` integer,
  `coding_sys_id` integer,
  `name` varchar(255),
  `create_date` datetime,
  `end_date` datetime
);

CREATE TABLE `religions` (
  `religion_id` integer PRIMARY KEY AUTO_INCREMENT,
  `site_id` integer,
  `coding_sys_id` integer,
  `name` varchar(255),
  `create_date` datetime,
  `end_date` datetime
);

CREATE TABLE `ethnics` (
  `ethnic_id` integer PRIMARY KEY AUTO_INCREMENT,
  `site_id` integer,
  `coding_sys_id` integer,
  `name` varchar(255),
  `create_date` datetime,
  `end_date` datetime
);

CREATE TABLE `countries` (
  `country_id` integer PRIMARY KEY AUTO_INCREMENT,
  `site_id` integer,
  `coding_sys_id` integer,
  `name` varchar(255),
  `create_date` datetime,
  `end_date` datetime
);

CREATE TABLE `patients` (
  `pat_id` integer PRIMARY KEY AUTO_INCREMENT,
  `pat_num` varchar(255) UNIQUE,
  `pat_altnum` varchar(255) UNIQUE,
  `prefix` varchar(255),
  `name_first` varchar(255),
  `name_middle` varchar(255),
  `name_maiden` varchar(255),
  `name_last` varchar(255),
  `suffix` varchar(255),
  `name_alias` varchar(255),
  `gender` varchar(255),
  `birth_place` varchar(255),
  `birth_date` date,
  `address_1` varchar(255),
  `address_2` varchar(255),
  `address_3` varchar(255),
  `city` varchar(255),
  `province` varchar(255),
  `zip` varchar(255),
  `email_1` varchar(255),
  `email_2` varchar(255),
  `phone` varchar(255),
  `mobile_phone` varchar(255),
  `mother` varchar(255),
  `account_number` varchar(255),
  `marital_status` varchar(255),
  `country_id` integer,
  `race_id` integer,
  `religion_id` integer,
  `ethnic_id` integer,
  `citizenship` varchar(255),
  `death` bit,
  `death_date` datetime,
  `link_to` integer,
  `create_date` datetime,
  `del_date` datetime
);

CREATE TABLE `pat_comments` (
  `pat_com_id` integer PRIMARY KEY AUTO_INCREMENT,
  `pat_id` integer,
  `comment_text` text,
  `user_id` integer,
  `create_date` datetime,
  `del_date` datetime
);

CREATE TABLE `pat_identities` (
  `pat_idt_id` integer PRIMARY KEY AUTO_INCREMENT,
  `pat_id` integer,
  `identity_type` varchar(255),
  `identity_num` varchar(255),
  `effective_date` datetime,
  `expiration_date` datetime,
  `create_date` datetime,
  `del_date` datetime
);

CREATE TABLE `pat_diagnose` (
  `pat_dia_id` integer PRIMARY KEY AUTO_INCREMENT,
  `pat_id` integer,
  `diag_code` varchar(255),
  `diag_comment` varchar(255),
  `create_date` datetime,
  `end_date` datetime,
  `archive_date` datetime,
  `del_date` datetime
);

CREATE TABLE `pat_visits` (
  `pv_id` integer PRIMARY KEY AUTO_INCREMENT,
  `pv_num` varchar(255) UNIQUE,
  `pat_id` integer,
  `episode_number` integer,
  `pv_class_id` integer,
  `bill_account` varchar(255),
  `bill_status` integer,
  `create_date` datetime,
  `end_date` datetime,
  `archive_date` datetime,
  `del_date` datetime
);

CREATE TABLE `pv_adts` (
  `pv_adt_id` integer PRIMARY KEY AUTO_INCREMENT,
  `pv_id` integer,
  `pv_adt_num` varchar(255),
  `pv_adt_code` varchar(255),
  `locid` integer,
  `docid` integer,
  `reff_docid` integer,
  `adm_docid` integer,
  `cns_docid` integer,
  `create_date` datetime,
  `end_date` datetime,
  `archive_date` datetime,
  `del_date` datetime
);

CREATE TABLE `pv_log` (
  `pv_log_id` integer PRIMARY KEY AUTO_INCREMENT
);

CREATE TABLE `requests` (
  `req_id` integer PRIMARY KEY AUTO_INCREMENT,
  `req_num` varchar(255) UNIQUE,
  `req_altnum` varchar(255) UNIQUE,
  `pat_id` integer,
  `pv_id` integer,
  `req_app` varchar(255),
  `req_entity` varchar(255),
  `req_entity_id` integer,
  `loc_id` integer,
  `priority` varchar(255),
  `att_doid` integer,
  `reff_docid` integer,
  `adm_docid` integer,
  `cns_docid` integer,
  `entered_by` varchar(255),
  `req_date` datetime,
  `eff_date` datetime,
  `create_date` datetime,
  `end_date` datetime,
  `archive_date` datetime,
  `del_date` datetime
);

CREATE TABLE `req_comments` (
  `req_com_id` integer PRIMARY KEY AUTO_INCREMENT,
  `req_id` integer,
  `comment_text` text,
  `user_id` integer,
  `create_date` datetime,
  `end_date` datetime,
  `archive_date` datetime,
  `del_date` datetime
);

CREATE TABLE `req_atts` (
  `req_att_id` integer PRIMARY KEY AUTO_INCREMENT,
  `req_id` integer,
  `address` varchar(255),
  `user_id` integer,
  `create_date` datetime,
  `end_date` datetime,
  `archive_date` datetime,
  `del_date` datetime
);

CREATE TABLE `req_status` (
  `req_status_id` integer PRIMARY KEY AUTO_INCREMENT,
  `req_id` integer,
  `req_status` varchar(255),
  `create_date` datetime,
  `end_date` datetime,
  `archive_date` datetime,
  `del_date` datetime
);

CREATE TABLE `req_logs` (
  `req_log_id` integer PRIMARY KEY AUTO_INCREMENT,
  `tbl_name` varchar(255),
  `record_id` integer,
  `fld_name` varchar(255),
  `fld_value_prev` varchar(255),
  `user_id` integer,
  `site_id` integer,
  `machine_id` integer,
  `session_id` integer,
  `app_id` integer,
  `process_id` integer,
  `webpage_id` integer,
  `event_id` integer,
  `act_id` integer,
  `reason` varchar(255),
  `log_date` datetime
);

CREATE TABLE `users` (
  `user_id` integer PRIMARY KEY AUTO_INCREMENT,
  `username` varchar(255) UNIQUE,
  `fullname` varchar(255),
  `password` varchar(255),
  `create_date` datetime,
  `end_date` datetime,
  `archive_date` datetime,
  `del_date` datetime
);

ALTER TABLE `races` ADD FOREIGN KEY (`coding_sys_id`) REFERENCES `coding_sys` (`coding_sys_id`);

ALTER TABLE `religions` ADD FOREIGN KEY (`coding_sys_id`) REFERENCES `coding_sys` (`coding_sys_id`);

ALTER TABLE `ethnics` ADD FOREIGN KEY (`coding_sys_id`) REFERENCES `coding_sys` (`coding_sys_id`);

ALTER TABLE `countries` ADD FOREIGN KEY (`coding_sys_id`) REFERENCES `coding_sys` (`coding_sys_id`);

ALTER TABLE `patients` ADD FOREIGN KEY (`country_id`) REFERENCES `countries` (`country_id`);

ALTER TABLE `patients` ADD FOREIGN KEY (`race_id`) REFERENCES `races` (`race_id`);

ALTER TABLE `patients` ADD FOREIGN KEY (`religion_id`) REFERENCES `religions` (`religion_id`);

ALTER TABLE `patients` ADD FOREIGN KEY (`ethnic_id`) REFERENCES `ethnics` (`ethnic_id`);

ALTER TABLE `pat_comments` ADD FOREIGN KEY (`pat_id`) REFERENCES `patients` (`pat_id`);

ALTER TABLE `pat_identities` ADD FOREIGN KEY (`pat_id`) REFERENCES `patients` (`pat_id`);

ALTER TABLE `pat_diagnose` ADD FOREIGN KEY (`pat_id`) REFERENCES `patients` (`pat_id`);

ALTER TABLE `pat_visits` ADD FOREIGN KEY (`pat_id`) REFERENCES `patients` (`pat_id`);

ALTER TABLE `pv_adts` ADD FOREIGN KEY (`pv_id`) REFERENCES `pat_visits` (`pv_id`);

ALTER TABLE `requests` ADD FOREIGN KEY (`pat_id`) REFERENCES `patients` (`pat_id`);

ALTER TABLE `requests` ADD FOREIGN KEY (`pv_id`) REFERENCES `pat_visits` (`pv_id`);

ALTER TABLE `req_comments` ADD FOREIGN KEY (`req_id`) REFERENCES `requests` (`req_id`);

ALTER TABLE `req_atts` ADD FOREIGN KEY (`req_id`) REFERENCES `requests` (`req_id`);

ALTER TABLE `req_status` ADD FOREIGN KEY (`req_id`) REFERENCES `requests` (`req_id`);

ALTER TABLE `req_logs` ADD FOREIGN KEY (`user_id`) REFERENCES `users` (`user_id`);