{
 "db": "nhs_raw",
 "name": "epd_roll_month_chem",
 "rows": 83246,
 "bytes": 2552911,
 "engine": "SummingMergeTree",
 "modified": "2026-08-17 10:50:42",
 "category": "prescribing",
 "publisher": "NHSBSA",
 "licence": "OGL-3.0",
 "access": "open",
 "columns": [
  {
   "name": "month",
   "type": "String"
  },
  {
   "name": "bnf_chemical",
   "type": "String"
  },
  {
   "name": "chemical_name",
   "type": "String"
  },
  {
   "name": "items",
   "type": "UInt64"
  },
  {
   "name": "quantity",
   "type": "Float64"
  },
  {
   "name": "nic",
   "type": "Float64"
  },
  {
   "name": "actual_cost",
   "type": "Float64"
  }
 ]
}