Ab Initio

1 input 1 output ✘ 2 input 1 output ✘ 2 input 2 output ✘ None of the above ✔

Merge ✘ Gather ✘ Concat ✘ Interleave ✔

Inner join ✘ Full outer join ✘ Both ✘ Non of the above ✔

Yes ✘ No ✘

Yes ✘ No ✘

GDE ✘ Unix ✘ GDE/Unix ✘ None of the above ✔

Data parallelism ✘ Component parallelism ✘ ETL parallelism ✘ Pipeline parallelism ✔

Redefine ✘ Gather ✘ Leading record ✘ Generate record ✔

Rollup ✘ Join ✘ Normalize ✘ Scan ✔

Yes ✘ No ✘