[
  {
    "asset_no": "AS-001",
    "table_raw": "sales.orders",
    "column_name": "customer_id",
    "data_type": "string",
    "null_ratio": 0,
    "table_history_months": 36,
    "business_domain": "sales"
  },
  {
    "asset_no": "AS-002",
    "table_raw": "sales.orders",
    "column_name": "ordered_at",
    "data_type": "timestamp",
    "null_ratio": 0,
    "table_history_months": 36,
    "business_domain": "sales"
  },
  {
    "asset_no": "AS-003",
    "table_raw": "Sales.Orders",
    "column_name": "amount",
    "data_type": "decimal",
    "null_ratio": 0.02,
    "table_history_months": 36,
    "business_domain": "sales"
  },
  {
    "asset_no": "AS-004",
    "table_raw": "SALES.ORDERS",
    "column_name": "channel",
    "data_type": "string",
    "null_ratio": 0.41,
    "table_history_months": 36,
    "business_domain": "sales"
  },
  {
    "asset_no": "AS-005",
    "table_raw": "sales.orders",
    "column_name": "product_id",
    "data_type": "string",
    "null_ratio": 0,
    "table_history_months": 36,
    "business_domain": "sales"
  },
  {
    "asset_no": "AS-003",
    "table_raw": "Sales.Orders",
    "column_name": "amount",
    "data_type": "decimal",
    "null_ratio": 0.02,
    "table_history_months": 36,
    "business_domain": "sales"
  },
  {
    "asset_no": "AS-006",
    "table_raw": "support.tickets",
    "column_name": "customer_id",
    "data_type": "string",
    "null_ratio": 0,
    "table_history_months": 18,
    "business_domain": "support"
  },
  {
    "asset_no": "AS-007",
    "table_raw": "support.tickets",
    "column_name": "created_at",
    "data_type": "timestamp",
    "null_ratio": 0,
    "table_history_months": 18,
    "business_domain": "support"
  },
  {
    "asset_no": "AS-008",
    "table_raw": "support.tickets",
    "column_name": "body",
    "data_type": "string",
    "null_ratio": 0.05,
    "table_history_months": 18,
    "business_domain": "support"
  },
  {
    "asset_no": "AS-009",
    "table_raw": "iot.sensor_reads",
    "column_name": "device_id",
    "data_type": "string",
    "null_ratio": 0,
    "table_history_months": 14,
    "business_domain": "iot"
  },
  {
    "asset_no": "AS-010",
    "table_raw": "iot.sensor_reads",
    "column_name": "measured_at",
    "data_type": "timestamp",
    "null_ratio": 0,
    "table_history_months": 14,
    "business_domain": "iot"
  },
  {
    "asset_no": "AS-011",
    "table_raw": "iot.sensor_reads",
    "column_name": "temperature",
    "data_type": "double",
    "null_ratio": null,
    "table_history_months": 14,
    "business_domain": "iot"
  },
  {
    "asset_no": "AS-012",
    "table_raw": "fin.invoices",
    "column_name": "customer_id",
    "data_type": "string",
    "null_ratio": 0,
    "table_history_months": 24,
    "business_domain": "finance"
  },
  {
    "asset_no": "AS-013",
    "table_raw": "fin.invoices",
    "column_name": "issued_at",
    "data_type": "timestamp",
    "null_ratio": 0,
    "table_history_months": 24,
    "business_domain": "finance"
  },
  {
    "asset_no": "AS-014",
    "table_raw": "fin.invoices",
    "column_name": "amount",
    "data_type": "decimal",
    "null_ratio": 0,
    "table_history_months": 24,
    "business_domain": "finance"
  },
  {
    "asset_no": "AS-015",
    "table_raw": "fin.invoices",
    "column_name": "collat_val",
    "data_type": "decimal",
    "null_ratio": 0,
    "table_history_months": 24,
    "business_domain": "finance"
  }
]