Database : berlintest Restore : NO Operator : sleep Number : 1 Signature: stream(T) x int -> stream(T) Example : query Trains feed sleep[100] head[7] count Result : 7 Operator : statistics Number : 1 Signature: stream(T) x text x int -> stream(T) Example : query intstream(1,10) transformstream statistics['tmp_statistics.csv', 1000] count Result : 10 Operator : faultcrash Number : 1 Signature: stream(T) x int -> stream(T) Example : query Trains feed faultcrash[100] head[7] count Result : crashes Operator : faultloop Number : 1 Signature: stream(T) x int -> stream(T) Example : query Trains feed faultloop[100] head[7] count Result : crashes