drop dataverse test if exists; create dataverse test; use dataverse test; create type NumericType as open { id: int32, int8Field: int8?, int16Field: int16?, int32Field: int32?, int64Field: int64?, floatField: float?, doubleField: double? } create external dataset Numeric(NumericType) using "edu.uci.ics.asterix.external.dataset.adapter.NCFileSystemAdapter" (("path"="nc1://data/nontagged/numericData.json"),("format"="adm"));