Using APPLY to make your queries DRYer
Using the APPLY operator to reduce repetition and make queries DRYer.
Using the APPLY operator to reduce repetition and make queries DRYer.
There are several decisions to be made when designing indexes for Memory-optimized tables in In-Memory OLTP, and to make the best choice, it pays to understand something about the nature and usage of memory-optimised indexes. Murilo Miranda continues his series by explaining how such an index is unlike a conventional index.
Inside SQL is the Deep Dive conference for SQL Server professionals in London on June 14.
Aaron Bertrand rounds out his series on STRING_SPLIT() in SQL Server 2016 with additional tests comparing splitting techniques to TVPs.
What about database development? In most projects, developers aren’t focused on database development and for proper CI, the database version should keep neck to neck with the application builds.
Ahmad Yaseen takes a look at how to deal with an endpoint encryption compatibility error when using SQL Server's AlwaysOn Availability Group Wizard.
Hot on the heels of the SQL Server 2016 general release, the team at Redgate have just released beta builds for both SQL Compare and SQL Data Compare. As well as support for SQL Server 2016, these releases introduce a brand new user interface, and squash a whole host of bugs. In this blog post, Carly Meichen takes a closer look at what's new, and explains how you can give the development team your feedback and requests.
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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