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Whitepaper: Enabling fast and easy database migrations with Flyway

High performing teams must implement a common approach to database migrations so that the database can be included in Continuous Delivery. This ‘kernel’ of Database DevOps leads to better alignment between developers and Ops teams, and increases the throughput of high quality releases. The key for many is Flyway, and this whitepaper explores how this highly configurable migrations tool enables a bespoke migrations-based deployment strategy that is easy to adopt and scale across teams

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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