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Weekly Challenges

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Challenge #80: Slowly Changing Dimensions

Kenda
16 - Nebula
16 - Nebula
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Capture.PNG
TonyA
Alteryx Alumni (Retired)

Seems to me it makes more sense to keep Bob in the list. If you take him out then if you query for a list of members  for any date between 2015-02-20 and 2017-08-07, your list would be incomplete. Also, how do we know from the data that Bob was dropped from the roster -- he might be in the same state Richard was before the updates. His end date was recorded, but his new status hasn't been added yet. Anyway, here's my solution. 

Alekh
9 - Comet

 

 

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 80.png
hbraunius
8 - Asteroid

My solution attached.

KMiller
8 - Asteroid

Solution attached.

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30-04-2019 08-49-25.png
hanykowska
11 - Bolide

shouldn't there be an end date for Bob?

 

my solution attached

T_Willins
14 - Magnetar
14 - Magnetar

My solution

Spoiler
Workflow 80.GIF

 

Gauthier_B
8 - Asteroid

Starting the week with a challenge!

 

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Challenge 80 Solution.PNG
OllieClarke
15 - Aurora
15 - Aurora

Not sure my answer is particularly elegant

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Challenge 80.PNG
RWvanLeeuwen
11 - Bolide
Spoiler
union old and new, sort, multirow, formula, and use a summarize on the flags with a filter and join to keep only jedi folk

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80.png