Nearly 1000 database professionals took part in this year's State of Database Monitoring survey. Providing insights into how they monitor their estates, the technologies they work with, what their biggest challenges are, and emerging trends for 2020. For the detailed analysis of the responses, download your free copy of the report.
n SQL cursors serve as a pointer that enables application programming language to deal with query results one row at a time. Read on to explores the concept behind and learn how to declare cursors, open, retrieve data from them, and then close them.
I've worked in a a couple very high performing organizations that adapted to changing conditions and built software well. I've worked in more poorly performing organizations that struggled to release updates and patches, causing tremendous stress for the IT staff. DevOps is designed to help improve our software delivery and quality, if you work on […]
In some shops, testing is entirely in the realm of quality analysts. In this article, Julio Sampaio argues that testing should be automated and start with the developers.
We’re pleased to announce that the SQL Prompt extension for Azure Data Studio is now available to download for free. With SQL Prompt in Azure Data Studio, you can use an extensive collection of code snippets to write your SQL code quickly and efficiently. You can also keep your code consistent using the powerful formatting capability, and customize the applied style to suit your preferences.
Let the data drive your decisions. This has been something of a mantra for many technical people, and even many business people, across the last twenty or so years. The allure of business intelligence is harnessing lots of data to make decisions that are rooted in some rational analysis of what has happened. Many companies […]
Coming from a SQL developer background these few inner workings of Entity Framework caught me by surprise.
Josh Crang explains why SQL Monitor will be switched to run on .NET Core, and how the team tested the potential performance improvements in the monitoring service.
In this article of the series, Robert Sheldon discuses emerging trends in storage like virtual SANs, intelligent storage, computational storage and storage-class memory.
By ReviewMyDB
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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