Sometimes, in the quest for raw SQL performance, you are forced to sacrifice legibility and maintainability of your code, unless you then document your code lavishly. Phil Factor's SQL Speed Phreak challenge produced some memorable code, but can SQL features introduced since then help to produce code that performs as well and is also easy to understand? Kathi Kellenberger investigates.
This new chapter will show you how to work with the SSIS Data Mining Query Transformation Task
Code coverage is a practice that goes hand in hand with automated testing, reporting the percentage of your code that has been exercised during a test run. Ed Elliott and Redgate have partnered to make a code coverage tool available for SQL Server, both free and open source. SQL Cover measures the coverage of your SQL Server stored procedures and functions. It has built-in support for the popular tSQLt unit testing framework, but can also be used alongside any automated testing framework of your choosing. Find out more in this blog post.
Paul White shows how an update may fail when a partition has some data on a read-only filegroup, and explains several workarounds.
Learn about deadlocks and how you might better troubleshoot the issues involved.
The 2015/16 Simple-Talk Awards have concluded, the votes have been counted and recounted, and the winners have now been announced.
Waterfall is the practice most destructive to developer productivity? Nonsense, according to Phil Factor. Lack of basic team coordination skills comes much higher in the list.
By Brian Kelley
If you want to learn better, pause more in your learning to intentionally review.
By John
If you’ve used Azure SQL Managed Instance General Purpose, you know the drill: to...
By DataOnWheels
Ramblings of a retired data architect Let me start by saying that I have...
Not sure if this is really a relational theory question but it seems about...
Hi everyone, Below is a consolidated summary of what we validated Architecture & data...
Hi all, I recently moved to a new employer who have their HA setup...
I have this data in a SQL Server 2025 table:
CREATE TABLE Response ( ResponseID INT NOT NULL CONSTRAINT ResponsePK PRIMARY KEY , ResponseVal VARBINARY(5000) ) GOIf I want to get a value from this table that I can add to a URL in a browser, which of these code items produces a result I can use? See possible answers