Match Unique vs Duplicate Dates

tiger_78

New Member
Joined
Oct 16, 2020
Messages
14
Office Version
  1. 365
  2. 2013
  3. 2007
Platform
  1. Windows
Hi, I need a solution to this...
I am comparing Sheet 1 Unique Dates, with Sheet 2 Duplicate Dates - both for the same Client.

My aim is to test with a 'True' or 'False' flag 'field I want', if a date matches or not - for each Client:

If any Date within a Client matches, Flag with TRUE
(the remaining Dates for that Client just leave Blank)

If any Date within a Client does not match, Flag with FALSE
Thanks!

Sheet 1
Unique Client No.Operation Date
24677720/07/2020
24705121/07/2020
24709925/07/2020
24717401/07/2020
24965014/08/2020

Sheet 2
Duplicate Client No.Operation Datefield I want
24677720/07/2020TRUE
24705121/06/2020
24705121/07/2020TRUE
24709925/07/2020TRUE
24717401/05/2020
24717401/06/2020
24717401/07/2020TRUE
24965015/05/2020FALSE
24965015/06/2020FALSE
24965010/06/2020FALSE
 

tiger_78

New Member
Joined
Oct 16, 2020
Messages
14
Office Version
  1. 365
  2. 2013
  3. 2007
Platform
  1. Windows
Hi thanks for your suggestions.
As no Date matches for 249650, I was expecting for this record to have one FALSE, such as below.
249650​
15/05/2020​
249650​
15/06/2020​
FALSE​
249650​
10/06/2020​
 

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