Which Columns Are Looked Up?
A common issue in performance is the lookup, key or RID, but the question frequently asked is, which columns are looked up? You need to know in order to...
2022-02-07 (first published: 2022-01-24)
434 reads
The Scary DBA
Two Clustered Indexes?
Everyone knows that you only get a single clustered index, right? Wouldn’t it be great though if you could have two clustered indexes? Well, you can. Sort of. Let’s...
2022-01-31 (first published: 2022-01-18)
447 reads
Why Is “WHERE 1=0” Slow?
I saw a question the other day, questioning why they’re creation of temporary tables was so slow. What they were doing was (a much more complicated version of) this:...
2022-01-24 (first published: 2022-01-10)
897 reads
Identifying Recompile Causes
Strictly speaking, a recompile isn’t really a performance tuning problem. In fact, a lot of time, recompiles are desired because they reflect changes in statistics which are likely to...
2022-01-12 (first published: 2022-01-03)
279 reads
Get SQL Server 2022 Now: It’s Called Azure
If you’re like me, your palms went into a cold sweat to get your grubby fingers on the bits for SQL Server 2022 a few nanoseconds after you heard...
2021-11-29
63 reads
PASS Data Community Summit 2021: I’m Excited!
I sincerely hope this isn’t the first time you’re hearing about the Pass Data Community Summit that’s coming up in just a few weeks on November 8-12, 2021. But,...
2021-10-15 (first published: 2021-10-04)
241 reads
PASS Data Community Summit 2021: I’m Excited!
I sincerely hope this isn’t the first time you’re hearing about the Pass Data Community Summit that’s coming up in just a few weeks on November 8-12, 2021. But,...
2021-10-04
3 reads
Login Timeouts
I was recently approached at work about a company that was seeing tons of timeouts in SQL Server. I was asked how to troubleshoot this. There are lots of...
2021-10-06 (first published: 2021-09-27)
576 reads
Login Timeouts
I was recently approached at work about a company that was seeing tons of timeouts in SQL Server. I was asked how to troubleshoot this. There are lots of...
2021-09-27
4 reads
Containers: A Short Rant
I find myself doing more and more work with containers. Yet, I also find that a lot of people seem to be resistant to the concept. I’m always surprised...
2021-09-29 (first published: 2021-09-20)
481 reads
Blogs
Data Céilí 2026 Call for Speakers!
Data Céilí 2026 Call for Speakers is now live! Data Céilí (pronounced kay-lee), is...
Streamlining Azure VM Moves Into Availability Zones
By John
One of the more frustrating aspects about creating an Azure virtual machine is that...
Monday Monitor Tips: Native Replication Monitoring
By Steve Jones
Redgate Monitor has been able to monitor replication for a long term, but it...
Forums
Deadlock graph anomaly
I've come across what appears to be a strange deadlock anomaly. As seen in...
Stairway to Azure SQL Hyperscale Level 6: Backup and Restore Internals
Comments posted to this topic are about the item Stairway to Azure SQL Hyperscale...
The Challenge of AI
Comments posted to this topic are about the item The Challenge of AI, which...
Question of the Day
Deprecated Feature Tracking
From T-SQL, without requiring an XEvent session, can I tell which deprecated features are being used on my instance?
See possible answers