When row estimation goes wrong
Whilst working at a client site, I hit upon one of those issues that you are not sure if that...
2012-11-29 (first published: 2012-11-26)
2,254 reads
Dave Ballantyne
Returning the Top X row for each group (SQL Spackle)
One of the most common T-SQL questions is on returning a ranked result set for each member of a group. Dave Ballentyne brings us a short tutorial on how you can do this in T-SQL.
2012-11-23 (first published: 2010-12-06)
30,052 reads
Advanced TSQL training
Over the past few years, Ive had it on my to do list to write and deliver and full-scale SQLServer...
2012-10-28
1,031 reads
SQL Saturday 162
SQL Saturday 162 was a great event, kudos to the team involved and I took a lot of pleasure in...
2012-09-09
751 reads
Reporting on common code smells : A POC
Over the past few blog entries, I’ve been looking at parsing TSQL scripts in a variety of ways for a...
2012-08-29
1,893 reads
How to prevent ‘Select *’ : The elegant way
UPDATE 2012-09-12 For my latest adventures with TSQL Parsers please see this post.
I’ve been doing a lot of work with the...
2012-08-09
1,987 reads
Joining on NULLs
A problem I see on a fairly regular basis is that of dealing with NULL values. Specifically here, where we...
2012-07-26
1,799 reads
Indexed view deadlocking
Deadlocks can be a really tricky thing to track down the root cause of. There are lots of articles on...
2012-06-22 (first published: 2012-06-13)
3,819 reads
“Query cost (relative to the batch)” <> Query cost relative to batch
OK, so that is quite a contradictory title, but unfortunately it is true. There is a common misconception that the query with...
2012-05-10
2,340 reads
Offset without OFFSET
A while ago Robert Cary posted an article on SQL Server Central entitled 2005 Paging – The Holy Grail which is,...
2012-04-26
2,025 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
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...
Azure SQL Database | CREATE EVENT SESSION [Blocking_Capture] ON DATABASE
Hello, Is there a way in Azure SQL Database to change the 'Blocking Process...
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