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Proc sql join

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Contributor
Posts: 50

Proc sql join

hi, what should be the code ? In the SMB Usage data create a another column to identify churners by using Product_id as key variable (check if the key variable is Unique ID in this case).The list of churners is given in the 'churners and labels' along with churn month. use Left join or right Join ?
Super User
Posts: 5,441

Re: Proc sql join

Depends on what you want.
Try both and compare the results and see what fits your needs.
Data never sleeps
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