Patrick LeBlanc

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SQLServerCentral Article

Deadlock Notifications in SQL Server 2005

Deadlocks do not occur too often, but when they do, it can be a time consuming and frustrating endeavor to track them down. In SQL Server 2000, you could alter the message to ensure these were written to the error log and track them down quickly. In SQL Server 2005, it is a little more tricky, but new author Patrick Leblanc brings us a technique for sending out a notification.

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2007-10-10

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Question of the Day

Getting the Average

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       NULL
All 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