In my last article, I wrote about the SQL Memorial structure for publishing information on the Internet for others to view. I had chosen Jekyll as a way of taking information in files and publishing it as a good looking website. However, I don't want to manually run Jekyll and copy the results to a […]
When downtime strikes, we may have to make decisions about which systems to focus our efforts upon. Steve talks about the impact of a disaster on your choices.
Phil Factor demonstrates how to use Extended Events to detect acquisition of Intent locks, and so determine which databases are active or apparently 'dormant', and then on which tables data has been modified recently, or which views and stored procedures have been run.
New methods and usage for themes were recently introduced for Power BI and in this article we cover how you can use these and customize them for Power BI.
Introduction One of the projects I've been wanting to tackle for some time is putting up a memorial for those people that our community has lost. I talked about it when Dwain Camps passed, and I kicked myself for not having something available when Tom Roush passed. Recently Gareth Swanepoel suddenly left us after COVID-19 […]
We had unfortunately lost quite a few members of our SQL Family. We have a new way to remember them.
SQL Server tech interview questions must be well crafted to make sure the candidate actually knows the topic. In this article, Sergey Gigoyan provides his favorite questions for interviewing SQL Server developers.
This article is focused on beginners who have already started writing SQL queries and are now diving deep towards more data processing and complex queries in SQL. When we talk about data processing, an important concept that comes to our mind is performing ETL workloads to a data warehouse. ETL is a very complex topic […]
Is it always important to have the most current data? Steve notes that you might need to make a decision here.
Learn how to create charts and graphs with R and how you can use R code in SSMS to generate and save graphs to an external file.
By ReviewMyDB
Index maintenance has always meant nightly jobs and a window you have to defend....
I’m sure you’ve all heard the tale of Goldilocks and the Three Bears, but...
By Steve Jones
One of the things I’ve been requesting for a number of years is cost...
Comments posted to this topic are about the item SQL Art, Part 4: Happy...
Comments posted to this topic are about the item How We Handled a Vendor...
Comments posted to this topic are about the item Cognitive Coverage
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