Announcing the 5th Edition of SQL Server 2017 Query Performance Tuning
I am quite excited to announce that the latest, most up to date, and by far the largest, copy of...
2018-09-18
333 reads
The Scary DBA
Query Store and Log Backups
A question that came up recently around Query Store is what happens when there are log backups in use on...
2018-09-17
220 reads
3rd Edition, SQL Server Execution Plans, a Story
Four years ago, after a bunch of dithering and some negotiations with Tony Davis, my editor, I started to update...
2018-09-21 (first published: 2018-09-12)
1,893 reads
Estimated Plans and Forced Plans from Query Store
While all plans are estimated plans, there is still a difference between capturing an estimated plan and looking at a...
2018-09-20 (first published: 2018-09-10)
1,764 reads
Back to University, Redgate University
Let’s be really clear, Redgate makes ingeniously simple tools. That’s a fact. Nothing has changed. However, if you really want...
2018-09-03
290 reads
Why I Love Extended Events, Reason 394: Customize Live Data
There are so many reasons to love Extended Events that it can really be overwhelming, but, one more reason that...
2018-08-27
359 reads
SQL in the City Summit
This fall, in October, Redgate Software will be hosting three, live, in-person events. These events will take place in New...
2018-09-03 (first published: 2018-08-21)
1,474 reads
Actual Execution Plan Costs
Why don’t “actual execution plans” have “actual execution plan costs”? This is a question and a myth I have to...
2018-08-20
317 reads
Rant: There Is No NoSQL Data Storage Engine
Do I need relational or NoSQL? How does NoSQL help me scale? Will I get paid better with NoSQL or...
2018-09-07 (first published: 2018-08-15)
2,871 reads
Measuring Query Execution Time: What Is Most Accurate
Probably the single most important factor when deciding which query to tune, or actively tuning a query, is how you...
2018-08-28 (first published: 2018-08-13)
2,731 reads
Blogs
A New Word: Mauerbauertraurigkeit
By Steve Jones
mauerbauertraurigkeit – n. inexplicable urge to push people away, even close friends whose company...
Methodology for dealing with bad data in production
By Brian Kelley
Pinal Dave wrote up his methodology for what to do when you discover bad...
How to Provision an Azure SQL Database
Aside from spinning up a SQL Server instance container, the free Azure SQL Database...
Forums
Why SQL Server Database Attach fails and how to repair it
Comments posted to this topic are about the item Why SQL Server Database Attach...
Fixing P1 Queries
Comments posted to this topic are about the item Fixing P1 Queries
BIT_COUNT() IV
Comments posted to this topic are about the item BIT_COUNT() IV
Question of the Day
BIT_COUNT() IV
In SQL Server 2025, I run this code:
select bit_count('A')
What is returned? See possible answers