Increasing deadlocks with NoLock
One of my personal pet issues is with inappropriate use of the NOLOCK hint (and read uncommitted) . Don't get me...
2010-04-23
746 reads
Dave Ballantyne
Cross Apply Ambiguity
Cross apply (and outer apply) are a very welcome addition to the TSQL language. However, today after a few hours...
2010-03-26
1,920 reads
Output = MAXDOP 1
It is widely know that data modifications on table variables do not support parallelism, Peter Larsson has a good example...
2010-03-04
557 reads
Cleaning up sys.dm_exec_cached_plans
Following on from my previous post in which I noticed that SQLServer itself was artificially bloating sys.dm_exec_cached_plans, the next obvious...
2010-01-27
1,123 reads
Microsoft – Follow best practices – Part 2
In addition to my previous post, another best practice is to not use NOLOCK and READ UNCOMMITTED transaction isolation level.
Here’s...
2010-01-25
545 reads
Microsoft – Follow best practices!
Best practice is to use parametrized queries to enable plan reuse. Will someone please tell Microsoft this.
Presently dm_exec_cached_plans on...
2010-01-22
1,011 reads
Age calculation with SQL Server
There seem to be many different methods being suggested to calculate an age in SQLServer. Some are quite complex but...
2009-12-08
1,129 reads
Phil Factor Speed Phreak SQL Challenge Number 3
The latest Phil Factor challenge is now active here . The prize has now been increased to $100...(read more)
2009-12-04
427 reads
My first useful powershell script – capturing performance counters
After playing around with powershell a bit, I managed to do something quite useful. There are a multitude of ways...
2009-11-30
1,764 reads
Blogs
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...
Advice I Like: Art
By Steve Jones
Superheroes and saints never make art. Only imperfect beings can make art because art...
Forums
Think LSNs Are Unique? Think Again - Preventing Data Loss in CDC ETL
Comments posted to this topic are about the item Think LSNs Are Unique? Think...
The AI Bubble and the Weak Foundation Beam
Comments posted to this topic are about the item The AI Bubble and the...
Question of the Day
A Big PK
In SQL Server 2025, how many columns can be included in a Primary Key constraint?
See possible answers