Single-Column-Key Missing Index Recommendations are Usually Wrong.
When Clippy suggests an index with only one key, look closer.
2018-09-14
2,975 reads
When Clippy suggests an index with only one key, look closer.
2018-09-14
2,975 reads
By Arun Sirpal
Every DBA has a box like this. Sitting untouched for months. Nobody’s proud of...
By Steve Jones
I type fairly well. Well, I type fast, but I do wear out a...
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I have this data in the dbo.Commission table in a SQL Server 2022 database.
salesperson commission Brian 12 Brian 16 Andy 7 Andy 14 Andy 21 Steve 20 Steve NULLAll the data is a varchar, and I decide to run this query to get the totals for each salesperson.
SELECT SalesPerson
, AVG(TRY_PARSE(Commission AS int)) AS TotalCommission
FROM commission
GROUP BY SalesPerson
GO
What average commission is calculated for Steve? See possible answers