CreateQuery ontime (children 3)
 Identifier ontime
 Columns definition (children 1)
  ExpressionList (children 3)
   ColumnDeclaration FlightDate (children 1)
    DataType Date
   ColumnDeclaration Carrier (children 1)
    DataType String
   ColumnDeclaration FlightNum (children 1)
    DataType String
 Storage definition (children 1)
  Function Memory
