anchor.diff:  
   (*** define-output: blip ***)
   Azure.Tables.optionals.Get(Row "1", Partition "partition")
  -|> Option.iter(fun row -> printfn "IsAnimal: %A, YearsWorking: %A" row.IsAnimal row.YearsWorking)
  +|> Option.iter(fun row -> printfn "IsAnimal has a value: %b, YearsWorking value: %A" row.IsAnimal.IsSome row.YearsWorking)
   
   (*** include-output: blip ***)
   
  
positive.code: ##Querying data
  The storage provider has an easy-to-use query API that is also flexble and powerful, and uses the 
  inferred schema to generate the appropriate query functionality. Data can be queried in several
  ways, both synchronously or asynchronously: -
  
  ###Key Lookups
  These are the simplest (and best performing) queries, based on a partition / row key combination,
  
negative.code: (**
  
  ##Automatic schema inference
  Unlike some non-relational data stores, Azure Table Storage *does* maintain schema information at the
  row level in the form of EDM metadata. This can be interrogated in order to infer a table's shape, as
  well as help query data. Let's look at the schema of the row ``fred.1`` in the ``employee`` table.
  *)
  
  (*** hide ***)
  