g2-exploding-join {ctfepi}sealed case file
Exploding Join
Case G2, Chain of CustodyData Cleaning and Reproducibilityscene 1easy100 pts
Case
To prove what happened you rebuild the raw data trail, line by line, from the files Quill sends. The final scene of this case closes the story.
What this scene will ask
A join duplicates patient records.
Planned flag: the offending key; the row count before and after the join.
Status
[#] Sealed. This scene opens when it is written and passes review. Nothing on CTFEpi expires, so there is no rush.