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
748 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
1,923 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
558 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
1,124 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
546 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
1,130 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
428 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
1,765 reads
Blogs
A New Word: on tenderhooks
By Steve Jones
on tenderhooks – adj. feeling the primal satisfaction of being needed by someone, which...
Ramblings about data communities and your contributions, no excuses
By DataOnWheels
I have been active in the data community throughout my career. I have met...
SQL Server Journey till 2025 (brief)
By Vinay Thakur
Quick Summary for Microsoft SQL Server till 2025, I am fortunate to be part...
Forums
Ola Hallengren Index Optimize Maintenance can we have data compression = page
I have a quick question on Ola Hallengren Index Optimize Maintenance . Do we...
how do i map the "current" object entry in for each to one variable
hi, in an ssis for each loop over an object variable called MyListVariable, i...
Simulating Mercury’s Orbital Motion Using Pure T-SQL (NASA 2025 Dataset)
SQL Server is typically viewed as a transactional or analytical database engine. However, it...
Question of the Day
String Similarity I
On SQL Server 2025, when I run this, what is returned?
SELECT EDIT_DISTANCE_SIMILARITY('SQL Server', 'MySQL') See possible answers