Writing my presentation 2: Designing the presentation
This series is about my process for writing my upcoming presentation at SQL Saturday Chicago #825.
Today’s goals
Today I’m going to...
2019-03-08
342 reads
Finding single use plans in the plan cache
A single use plan is an entry in the SQL Server plan cache that was only used once. When a...
2019-03-07 (first published: 2019-02-19)
3,860 reads
Writing my presentation part 1: The brainstorm/dump
For this session, I’m relying on a mixture of previous blog posts and new material/demos that I’ll have to write....
2019-03-07
396 reads
Writing a new session/Preparing for SQL Saturday Chicago
So, I’m presenting a session at SQL Saturday Chicago on March 23, 2019. This is a new session, called Performance...
2019-03-06
260 reads
CTRL + F in SSMS execution plans
I just discovered this the other day and I had to share it.
First, we need a query in Management...
2019-03-05
629 reads
Partitioning 3: Beyond just partition elimination
In Partitioning 2, I showed how to analyze which partitions were accessed by our Index Seek. However, we were searching...
2019-03-04 (first published: 2019-02-14)
1,861 reads
It’s always parameter sniffing: Line Endings
Combining a few themes of recent posts today. I’ll mix in some sp_executesql, it’s always parameter sniffing, and the plan...
2019-02-28
949 reads
A short guide to sp_executesql
Last week I talked about single use plans. One way to increase execution plan re-use is to parameterize queries by...
2019-02-27
1,790 reads
Partitioning 1: Non-partition aligned queries
Here’s my take on partitioning. I’ll be focusing on getting queries to perform on partitioned tables, and not on partition...
2019-02-27 (first published: 2019-02-11)
2,484 reads
Database context and compatibility level
To add onto yesterday’s post about which cardinality estimator (CE) your query will use, there’s an additional complexity. This specifically...
2019-02-26
825 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