Calculate the Statistical Mode in SQL Server using T-SQL
Next to the average and the median, there is another statistical value that you can calculate over a set: the mode. This is the value that appears the most often in the set. The average and the median are straight forward to calculate with T-SQL in SQL Server, but how can we determine the mode using T-SQL?
SQL Saturday #387 - Madison, WI
SQL Saturday is coming to Madison, Wisconsin on April 11th 2015. Join us for a free day of SQL Server training and networking and hear expert speakers like David Klee, Wendy Pastrick, and Jes Borland. Register while space is available.
Setting Different Colors for Connections in SSMS
Learn how to set colors for different connections in SSMS.
Defusing Database Time Bombs: Avoiding the Need to Refactor Databases
Where applications are evolved by gradually molding them to a growing understanding of the business domain, this presents great challenges to database development. If databases are designed too loosely, and initial errors are allowed to fester, the results become harder and harder to refactor until eventually they constitute a database time bomb. Thomas LeBlanc describes how to avoid a few basic, but very common, database time bombs.
Data Mining Part 26: Data Mining and Microsoft Azure
This article shows a step by step tutorial to create a virtual machine in 15 min on Windows Azure.
Azure Blob Storage Part 7: Snapshots
Robin Shahan introduces the concepts of snapshots in relation to Azure blob storage. She explains what they're for and how to take them, promote them, and delete them.
Database Continuous Integration workshop, Los Angeles
Redgate are hosting a 1-day public workshop on April 10th 2015 in Los Angeles, California. This workshop will teach you how to link your source control system to a build system, trigger database builds automatically, and lay the foundations for package-based deployments.
Stairway to SQLCLR Level 5: Development (Using .NET within SQL Server)
This time we take a look at various aspects and limitations of working with SQL Server's CLR that affect what can be done and how to do certain things.
The Design Investment
How much of an investment should you make in learning design? Steve Jones talks about why we should learn how to do it right.
Blogs
“We love to debate minutiae”
By Brian Kelley
I am guilty as charged. The quote was in reference to how people argue...
Advice I Like: Knots
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Learn how to tie a bowline knot. Practice in the dark. With one hand....
Shifting Mindsets: Why FinOps is Essential for Cloud Efficiency
By HeyMo0sh
As a DevOps practitioner, I’ve always focused on performance, scalability, and automation. But as...
Forums
Windows logins for users migrated from DomainA to DomainB
Hi, I have a SQL Server instance where users connect to via Windows Authentication,...
Multiple Deployment Processes
Comments posted to this topic are about the item Multiple Deployment Processes
How to Use sqlpackage to Detect Schema Drift Between Azure SQL Databases
Comments posted to this topic are about the item How to Use sqlpackage to...
Question of the Day
Upgrading Admin Queries
I have a query from a former DBA that we run on SQL Server 2025 to check on database metadata. This query references sys.sysaltfiles. I want to refactor this code to be more modern. Which DMV should I reference instead?
See possible answers