Installing Machine Learning Services – Level 1 of the Stairway to ML Services
This first installment of the Stairway to Machine Learning Services explains the installation process for this subsystem in SQL Server.
The Main Obstacles to Implementing Database DevOps
Today, Kendra explains what's holding organizations back from implementing Database DevOps.
Azure Data Factory Multiple File Load Example - Part 2
In this two-part tip, we are created a metadata-driven pipeline which will copy multiple flat files from Azure blob storage to an Azure SQL Database. The flat files can have different delimiters and are stored in different folders and there are multiple destination tables as well.
Queue table issues with Availability Groups in SQL Server
I recently came across an issue in a SQL Server Availability Group scenario where queries against a heavily-used queue table were taking longer and longer over time.
The Dangers of using Float or Real Datatypes
Floating point datatypes accommodate very big numbers but sacrifice precision. They are handy for some types of scientific calculations, but are dangerous when used more widely, because they can introduce big rounding errors.
Giving Computers Ethics
There is a need to ensure we decide what ethics a computer system ought to have.
Introduction to Attribute Relationships in SSAS
In this article, you will learn how you can set the attribute relationships between dimensions in SSAS.
Storage 101: The Language of Storage
Robert Sheldon continues his series on storage. This article covers some of the basics of performance metrics, HDDs, and SSDs.
Personal Power
Because of my job with Redgate (which I love and will never leave even after I’m dead), I spend a lot of time learning about compliance and all the new laws and regulations coming out of things like the GDPR and the CCPA (they changed the name evidently). However, I’m a nerd. I’m not a […]
Blogs
AI Helps Me with My Sloppiness
By Steve Jones
I type fairly well. Well, I type fast, but I do wear out a...
Automatic Index Compaction
By ReviewMyDB
Index maintenance has always meant nightly jobs and a window you have to defend....
The Goldilocks problem – Materialized Views
I’m sure you’ve all heard the tale of Goldilocks and the Three Bears, but...
Forums
SQL Art, Part 4: Happy 4th of July — A British DBA's Guide to Celebrating a War We Don't Talk About
Comments posted to this topic are about the item SQL Art, Part 4: Happy...
How We Handled a Vendor Retry That Loaded Twice in Snowflake
Comments posted to this topic are about the item How We Handled a Vendor...
Cognitive Coverage
Comments posted to this topic are about the item Cognitive Coverage
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 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