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...
2010-03-25
5,209 reads
Gail Shaw
- Interests: Computer Graphics, Aikido, Roleplaying
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
12,747 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
443 reads
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
56,233 reads
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
574 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
21,635 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
1,239 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
982 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
Blogs
Funny Money: #SQLNewBlogger
By Steve Jones
While wandering around the documentation looking for some Question of the Day topics, I...
Why Database AI Agents need Layers?
By Arun Sirpal
Third part in my Ai series with databases. When building AI solutions within the...
Un-Migrating From the Cloud: T-SQL Tuesday #199
By Steve Jones
This month we have a very interesting invitation from Koen Verbeeck. He has hosted...
Forums
How Do the Experts Become Experts?
Comments posted to this topic are about the item How Do the Experts Become...
Stairway to Reliable Database Deployments Level 4 – Preparing for Production Deployment
Comments posted to this topic are about the item Stairway to Reliable Database Deployments...
Secure Communications
Comments posted to this topic are about the item Secure Communications
Question of the Day
Secure Communications
As of June 2026, what is the best version of TLS to use with SQL Server?
See possible answers