External Article

Median Workbench

SQL Server database engine doesn't have a MEDIAN() aggregate function. This is probably because there are several types of median, such as statistical, financial or vector medians. Calculating Medians are essentially a row-positioning task, since medians are the middle value of an ordered result. Easy to do in SQL? Nope. Joe Celko explains why.

External Article

Access Your Data On Premise Or In The Cloud With ADO.NET Data Services

Web Services has been a hot topic for a number of years now, but what, you may wonder, are these Data Services everyone's talking about lately? As the architecture of Web applications has changed and matured (with the popularity of Rich Internet Applications [RIAs], for example), there has been an increased awareness of the value of exposing raw data, minus any interface or formatting, to any service or application that wants to consume it.

Blogs

Upgrading SQL Server Containers on the Laptop

By

I don’t have SQL Server installed on my laptop. In an effort to keep...

How to Find Expensive Queries in Amazon Redshift

By

Slow-running queries can degrade your Redshift cluster’s performance and lead to increased costs. Identifying...

The Notification Trap: How Input Fatigue Is Killing Deep Work in Tech

By

If you've been here before, you know this blog is usually about SQL Server,...

Read the latest Blogs

Forums

SQL 2019 instance with AG, across 2 Windows 2016 OS servers - OSin-place upgrade

By millardus

Hi all Can I get some perspective from the community please on performing in-place...

How Long is a Long I/O?

By Steve Jones - SSC Editor

Comments posted to this topic are about the item How Long is a Long...

T-SQL Trigonometric Functions in SQL Server

By Imran2629

Comments posted to this topic are about the item T-SQL Trigonometric Functions in SQL...

Visit the forum

Question of the Day

How Long is a Long I/O?

In SQL Server 2025, a long I/O is recorded in the error log with message 833. How long much an I/O request be outstanding before this message is written to the log?

See possible answers