{
 "db": "nhs_marts",
 "name": "meta_dataset",
 "rows": 364,
 "bytes": 1580198,
 "engine": "ReplacingMergeTree",
 "modified": "2026-09-23 11:30:30",
 "category": "other",
 "publisher": "NHS England",
 "licence": "varies \u2014 see publisher (mostly OGL v3.0)",
 "access": "open",
 "columns": [
  {
   "name": "full_name",
   "type": "String"
  },
  {
   "name": "database",
   "type": "String"
  },
  {
   "name": "table_name",
   "type": "String"
  },
  {
   "name": "engine",
   "type": "LowCardinality(String)"
  },
  {
   "name": "kind",
   "type": "LowCardinality(String)"
  },
  {
   "name": "total_rows",
   "type": "UInt64"
  },
  {
   "name": "total_bytes",
   "type": "UInt64"
  },
  {
   "name": "columns_count",
   "type": "UInt16"
  },
  {
   "name": "ddl",
   "type": "String"
  },
  {
   "name": "ddl_hash",
   "type": "UInt64"
  },
  {
   "name": "sample_hash",
   "type": "UInt64"
  },
  {
   "name": "status",
   "type": "LowCardinality(String)"
  },
  {
   "name": "attempt_count",
   "type": "UInt8"
  },
  {
   "name": "last_attempt_at",
   "type": "DateTime"
  },
  {
   "name": "last_annotated_at",
   "type": "Nullable(DateTime)"
  },
  {
   "name": "annotation_text",
   "type": "String"
  },
  {
   "name": "columns_summary",
   "type": "String"
  },
  {
   "name": "missingness_summary",
   "type": "String"
  },
  {
   "name": "anomalies_summary",
   "type": "String"
  },
  {
   "name": "knowledge_lines",
   "type": "Array(String)"
  },
  {
   "name": "failure_reason",
   "type": "String"
  },
  {
   "name": "annotator_model",
   "type": "String"
  },
  {
   "name": "updated_at",
   "type": "DateTime"
  }
 ]
}