{"schema": [
  {"name":"c_customer_sk","type":"identifier"},
  {"name":"c_customer_id","type":"char(16)"},
  {"name":"c_current_cdemo_sk","type":"identifier"},
  {"name":"c_current_hdemo_sk","type":"identifier"},
  {"name":"c_current_addr_sk","type":"identifier"},
  {"name":"c_first_shipto_date_sk","type":"identifier"},
  {"name":"c_first_sales_date_sk","type":"identifier"},
  {"name":"c_salutation","type":"char(10)"},
  {"name":"c_first_name","type":"char(20)"},
  {"name":"c_last_name","type":"char(30)"},
  {"name":"c_preferred_cust_flag","type":"char(1)"},
  {"name":"c_birth_day","type":"integer"},
  {"name":"c_birth_month","type":"integer"},
  {"name":"c_birth_year","type":"integer"},
  {"name":"c_birth_country","type":"varchar(20)"},
  {"name":"c_login","type":"char(13)"},
  {"name":"c_email_address","type":"char(50)"},
  {"name":"c_last_review_date_sk","type":"identifier"}
]}