mini-data-warehouse/data_quality_report.json at master · timothynn/mini-data-warehouse · GitHub

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{
  "completeness": {
    "customers": {
      "total_records": 200,
      "columns": {
        "customer_id": {
          "null_count": 0,
          "completeness_rate": 100.0
        },
        "first_name": {
          "null_count": 0,
          "completeness_rate": 100.0
        },
        "last_name": {
          "null_count": 0,
          "completeness_rate": 100.0
        },
        "email": {
          "null_count": 0,
          "completeness_rate": 100.0
        },
        "city": {
          "null_count": 0,
          "completeness_rate": 100.0
        },
        "country": {
          "null_count": 0,
          "completeness_rate": 100.0
        }
      }
    },
    "products": {
      "total_records": 50,
      "columns": {
        "product_id": {
          "null_count": 0,
          "completeness_rate": 100.0
        },
        "product_name": {
          "null_count": 0,
          "completeness_rate": 100.0
        },
        "category": {
          "null_count": 0,
          "completeness_rate": 100.0
        },
        "price": {
          "null_count": 0,
          "completeness_rate": 100.0
        }
      }
    },
    "orders": {
      "total_records": 1000,
      "columns": {
        "order_id": {
          "null_count": 0,
          "completeness_rate": 100.0
        },
        "customer_id": {
          "null_count": 0,
          "completeness_rate": 100.0
        },
        "order_date": {
          "null_count": 0,
          "completeness_rate": 100.0
        },
        "total_amount": {
          "null_count": 0,
          "completeness_rate": 100.0
        }
      }
    },
    "order_items": {
      "total_records": 3012,
      "columns": {
        "order_item_id": {
          "null_count": 0,
          "completeness_rate": 100.0
        },
        "order_id": {
          "null_count": 0,
          "completeness_rate": 100.0
        },
        "product_id": {
          "null_count": 0,
          "completeness_rate": 100.0
        },
        "quantity": {
          "null_count": 0,
          "completeness_rate": 100.0
        },
        "unit_price": {
          "null_count": 0,
          "completeness_rate": 100.0
        }
      }
    }
  },
  "referential_integrity": {
    "orphaned_orders": 0,
    "orphaned_order_items_orders": 0,
    "orphaned_order_items_products": 0
  },
  "consistency": {
    "inconsistent_order_totals": 0,
    "negative_prices": 0,
    "negative_quantities": 0,
    "duplicate_emails": 0
  },
  "overall_score": 100,
  "timestamp": "2025-10-10T12:18:19.326708"
}