NOT EXISTS vs NOT IN
Continuing with the mini-series on query operators, I want to have a look at NOT EXISTS and NOT IN.
Just one...
2010-02-18
56,102 reads
Gail Shaw
- Interests: Computer Graphics, Aikido, Roleplaying
Getting here from there
Another month, another blog chain, this time started by Paul Randal. I got tagged by both Grant and Steve, on...
2010-01-21
395 reads
SQL Pass session evaluations
I finally got the last of my PASS Summit session evals and so, like someotherpeople, I thought I’d make them...
2010-01-13
571 reads
IN vs INNER JOIN
Often in forum threads discussing query performance I’ll see people recommending replacing an INNER JOIN with an IN (or recommending...
2010-01-12
21,582 reads
Are trivial plans cached?
It is sometimes said that trivial execution plans are not cached and queries that have such plans are compiled on...
2009-12-08
1,233 reads
The most optimal join type
What’s the best join type for a query? Should we aspire to seeing nested loop joins in all our queries?...
2009-11-24
980 reads
TechEd Online Interview
Back in August at TechEd Africa I did a TechEd Online interview with Frikkie Bosch. Frikkie’s the marketing manager for...
2009-09-30
1,472 reads
More on the MVP SQL Server book
If you buy from Manning directly today or tomorrow, there’s a 50% discount . Use the code pop0928 at the checkout....
2009-09-29
1,367 reads
MVP book is available for preorder
Last year a large number of MVPs (mostly SQL Server) got together to write a book with all proceeds going...
2009-09-28
564 reads
Why is CheckDB rolling back transactions?
I saw this one on a forum recently and it’s a fun question to look into.
When running CheckDB on an...
2009-09-24
612 reads
Blogs
PlanTrace Now Supports PostgreSQL
PlanTrace Now Supports PostgreSQL The same plan analysis you know from...
A New Word: the Kinder Surprise
By Steve Jones
the kinder surprise – . the point in your early adolescence when you realize...
Crash-Consistent Snapshot Cloning - Hyper-V Edition
If you’ve been following my T-SQL Snapshot Backup series, most of what I’ve covered...
Forums
SSRS Is Dead. Here Are Your Real Options
Comments posted to this topic are about the item SSRS Is Dead. Here Are...
The Distance Metric
Comments posted to this topic are about the item The Distance Metric
The New Wave of Security Threats
Comments posted to this topic are about the item The New Wave of Security...
Question of the Day
The Distance Metric
In the new VECTOR_DISTANCE() function in SQL Server 2025, the first parameter is the distance_metric. What is this?
See possible answers