First Impressions
SELECT @@Version
Microsoft SQL Server “Denali” (CTP1) – 11.0.1103.9 (X64)
I’ve been playing with the CTP for a few days (with absolutely no...
2010-11-09
1,427 reads
SQL In The Wild
A Trio of Table Variables
So, it’s the second Tuesday of the month again, and it’s time for T-SQL Tuesday again. This month it’s hosted...
2010-10-12
1,262 reads
One wide index or multiple narrow indexes?
Or “If one index is good, surely many indexes (indexes? indices? indi?) will be better”
This is a question that comes...
2010-09-14
1,575 reads
Come and gone
Or “Plan cache monitoring – insert and remove”
Previously I took a look at the CacheHit and CacheMiss events to see how...
2010-08-31
1,813 reads
Hit and miss
Or “Monitoring plan cache usage”
For people interested in the details of how SQL is using and reusing execution plans, there...
2010-07-27
1,131 reads
Does a missing data file send a database suspect?
Short answer: No
I keep seeing this come up on various forums when people ask what makes a database go suspect...
2010-06-29
2,035 reads
DBA Hell
On the first day of DBA hell, the server gave to me
A database with damaged system tables and no good...
2010-06-15
963 reads
In, Exists and join – a roundup
Over the last several months I’ve had a look at IN, Exists, Join and their opposites to see how they...
2010-04-27
1,342 reads
Left outer join vs NOT EXISTS
And to wrap up the miniseries on IN, EXISTS and JOIN, a look at NOT EXISTS and LEFT OUTER JOIN...
2010-03-23
12,435 reads
The Root of all Evil
Or “Shot gun query tuning”
There have been a fair few forums questions in recent months asking for help in removing...
2010-03-11
437 reads
Blogs
Identity Columns Can’t Be Updated: #SQLNewBlogger
By Steve Jones
I’m not sure I knew identity column values could not be updated. I ran...
Rolling Back a Broken Release
By Steve Jones
We had an interesting discussion about deployments in databases and how you go forward...
A bespoke reporting solution doesn’t have to cost the earth
By ChrisJenkins
You could be tolerating limited reporting because there isn’t an off the shelf solution...
Forums
Can someone please explain what happens?
I have mentioned this several times over several years. Can someone please help me...
SELECT COUNT(DISTINCT) returns null when nothing is found instead of 0
SELECT COUNT(DISTINCT Component) AS Found FROM tblComponents WHERE(Component NOT LIKE '%[a-z]%') AND(LTRIM(RTRIM(Component)) = 'GM13622')...
Remotely Engineer Fabric Lakehouse objects: The Fabric Modern Data Platform
Comments posted to this topic are about the item Remotely Engineer Fabric Lakehouse objects:...
Question of the Day
Creating JSON III
In a SQL Server 2025 table, called Beer, I have this data:
BeerIDBeerName 1Becks 2Fat Tire 3Mac n Jacks 4Alaskan Amber 8KirinI run this code:
SELECT JSON_OBJECTAGG(
BeerID: BeerName )
FROM beer;
What are the results? See possible answers