Select statement Query SQL
I need to create this report in sql by selecting the last record for each referralID. As you see below in the table i have the same referralID many times and i need to select 1 record per each referralID. That would be the last one entered, or the one with highest number of "StatusUpdateID". Suggestions?
Here is how the table looks like.
StatusUpdateID ReferralID Q1 Q2 Q3
1 685 1 1 2
2 685 1 1 1
3 685 1 0 0
4 688 0 0 1
5 688 1 1 1
6 689 1 1 1
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FROM (
SELECT *,
ROW_NUMBER() OVER(PARTITION BY referralID ORDER BY StatusUpdateID DESC) AS row_num
FROM table_name
) AS derived
WHERE row_num = 1