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
722 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
1,739 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
553 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
1,092 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
538 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
1,002 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
1,105 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
413 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
1,746 reads
Blogs
Top 5 SQL Server VM Performance Tuning Tips – Webinar Jul 21
By kleegeek
You’re invited! I’m thrilled to be co-presenting a session on the top five SQL...
The Effectiveness of Solar Estimation
By Steve Jones
We added a solar system to the ranch as a way to hedge against...
How do I tell if identity_insert is turned on and if so what table?
TLDR; The code to do this is below but it’s a bit hokey and...
Forums
Shared Work Spaces: Hell, Heaven, Both?
Comments posted to this topic are about the item Shared Work Spaces: Hell, Heaven,...
T-SQL : Slicing time Islands and gaps
Hello, Consider the following table that gives the validity dates of an item :...
Migrate the SSIS Catalog in Just a Few Clicks
Comments posted to this topic are about the item Migrate the SSIS Catalog in...
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