table coding_sys {
  coding_sys_id integer [pk]
  abb varchar(10) [unique]
  name varchar
  description text
  create_date datetime
  end_date datetime
}

table races {
  race_id integer [pk]
  site_id integer 
  coding_sys_id integer [ref:>coding_sys.coding_sys_id]
  name varchar 
  create_date datetime
  end_date datetime
}

table religions {
  religion_id integer [pk]
  site_id integer
  coding_sys_id integer [ref:>coding_sys.coding_sys_id]
  name varchar
  create_date datetime
  end_date datetime
}

table ethnics {
  ethnic_id integer [pk]
  site_id integer
  coding_sys_id integer [ref:>coding_sys.coding_sys_id]
  name varchar
  create_date datetime
  end_date datetime
}

table countries {
  country_id integer [pk]
  site_id integer
  coding_sys_id integer [ref:>coding_sys.coding_sys_id]
  name varchar
  create_date datetime
  end_date datetime
}

table patients {
  pat_id integer [pk]
  pat_num varchar [unique]
  pat_altnum varchar [unique]
  prefix varchar
  name_first varchar
  name_middle varchar
  name_maiden varchar
  name_last varchar
  suffix varchar
  name_alias varchar
  gender varchar
  birth_place varchar
  birth_date date
  address_1 varchar
  address_2 varchar
  address_3 varchar
  city varchar
  province varchar
  zip varchar
  email_1 varchar
  email_2 varchar
  phone varchar
  mobile_phone varchar
  mother varchar
  account_number varchar
  marital_status varchar
  country_id integer [ref:>countries.country_id]
  race_id integer [ref:>races.race_id]
  religion_id integer [ref:>religions.religion_id]
  ethnic_id integer [ref:>ethnics.ethnic_id]
  citizenship varchar
  death bit 
  death_date datetime
  link_to integer
  create_date datetime
  del_date datetime
}

table pat_comments {
  pat_com_id integer [pk]
  pat_id integer [ref:>patients.pat_id]
  comment_text text
  user_id integer
  create_date datetime
  del_date datetime
}

table pat_identities {
  pat_idt_id integer [pk]
  pat_id integer [ref:>patients.pat_id]
  identity_type varchar
  identity_num varchar
  effective_date datetime
  expiration_date datetime
  create_date datetime
  del_date datetime
}

table pat_diagnose {
  pat_dia_id integer [pk]
  pat_id integer [ref:>patients.pat_id]
  diag_code varchar
  diag_comment varchar
  create_date datetime
  end_date datetime
  archive_date datetime
  del_date datetime
}

table pat_visits {
  pv_id integer [pk]
  pv_num varchar [unique]
  pat_id integer [ref:>patients.pat_id]
  episode_number integer
  pv_class_id integer
  bill_account varchar
  bill_status integer
  create_date datetime
  end_date datetime
  archive_date datetime
  del_date datetime
}

table pv_adts {
  pv_adt_id integer [pk]
  pv_id integer [ref:>pat_visits.pv_id]
  pv_adt_num varchar
  pv_adt_code varchar
  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
}

table pv_log {
  pv_log_id integer [pk] 
}

table requests {
  req_id integer [pk]
  req_num varchar [unique]
  req_altnum varchar [unique]
  pat_id integer [ref:>patients.pat_id]
  pv_id integer [ref:>pat_visits.pv_id]
  req_app varchar 
  req_entity varchar
  req_entity_id integer
  loc_id integer
  priority varchar
  att_doid integer
  reff_docid integer
  adm_docid integer
  cns_docid integer
  entered_by varchar
  req_date datetime
  eff_date datetime
  create_date datetime
  end_date datetime
  archive_date datetime
  del_date datetime
}

table req_comments {
  req_com_id integer [pk]
  req_id integer [ref:>requests.req_id]
  comment_text text
  user_id integer
  create_date datetime
  end_date datetime
  archive_date datetime
  del_date datetime
}

table req_atts {
  req_att_id integer [pk]
  req_id integer [ref:>requests.req_id]
  address varchar
  user_id integer
  create_date datetime
  end_date datetime
  archive_date datetime
  del_date datetime
}

table req_status {
  req_status_id integer [pk]
  req_id integer [ref:>requests.req_id]
  req_status varchar
  create_date datetime
  end_date datetime
  archive_date datetime
  del_date datetime
}

table req_logs {
  req_log_id integer [pk]
  tbl_name varchar
  record_id integer
  fld_name varchar
  fld_value_prev varchar
  user_id integer [ref:>users.user_id]
  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
  log_date datetime
}

table users {
  user_id integer [pk]
  username varchar [unique]
  fullname varchar
  password varchar
  create_date datetime
  end_date datetime
  archive_date datetime
  del_date datetime
}