Distinct values with earliest datestamp.
I have a dimension table where new values found in my datasets are added, and a datestamp populated in a column. I have found that I have to do a final sweep in SQL to remove duplicates because of Domo's handling of some invisible characters found in some data feeds.
A select distinct statement works for the majority, but I have a handful of values that keep pushing duplicates. I realized that the statement won't work on rows with the same company name, but different datestamp values.
What do I need to add to SQL for it to identify duplicate values in one column, and keep the row with the earliest datestamp?
@ValientSpur - This is similar to another one you solved, but different enough that I want to make sure you get the solution if you give it to me.
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You could try something like this:
SELECT `CompanyName`, MIN(`Datestamp`) AS 'DateStamp'
GROUP BY `CompanyName`
That would leave you with a single entry for each unique CompanyName and the earliest date value associated with it.
Is that what you're looking for, or am I missing something?
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