T-SQL Window Function Speed Phreakery: The FIFO Stock Inventory Problem
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.
Data Mining Part 37: The Data Mining query transformation task
This new chapter will show you how to work with the SSIS Data Mining Query Transformation Task
What is Code Coverage For?
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.
Changes to a Writable Partition May Fail Unexpectedly
Paul White shows how an update may fail when a partition has some data on a read-only filegroup, and explains several workarounds.
How to fix SQL Server deadlocks with monitoring
Learn about deadlocks and how you might better troubleshoot the issues involved.
The 2015/2016 Simple-Talk Awards: Winners Announced
The 2015/16 Simple-Talk Awards have concluded, the votes have been counted and recounted, and the winners have now been announced.
Blogs
On Speaking Well
By Brian Kelley
Professor Patrick Winston of MIT used to give a one-hour talk about how to...
Monday Monitor Tips: Oracle Custom Metrics
By Steve Jones
One of the popular features of Redgate Monitor has been the ability to add...
Walking Through a Planned Failover: SQL Server Always On Availability Groups on Kubernetes
When building the sql-on-k8s-operator, I wanted to make sure it could handle both planned...
Forums
Analysis of Locking Issues on Secondary Replicas in AlwaysOn Availability Groups
We have an AlwaysOn architecture with four replicas: two running in synchronous commit mode...
The Vector Data Type
Comments posted to this topic are about the item The Vector Data Type
What Power BI DirectQuery does to your SQL Server (and how to fix it)
Comments posted to this topic are about the item What Power BI DirectQuery does...
Question of the Day
The Vector Data Type
What is the vector data type in SQL Server?
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