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
55,769 reads
SQL In The Wild
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
394 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
569 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
21,321 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
1,227 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
979 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
1,471 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
1,365 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
608 reads
Blogs
Advice I Like: Pyramid Schemes
By Steve Jones
If someone is trying to convince you it’s not a pyramid scheme, it’s a...
Using Prompt AI for a Travel Data Analysis
By Steve Jones
I was looking back at my year and decided to see if SQL Prompt...
FinOps for Kubernetes: Leveraging OpenCost, KubeGreen, and Kubecost for Cost Efficiency
In the era of cloud-native applications, Kubernetes has become the default standard platform for...
Forums
Database file shrink issue.
Hi experts, I have a 3+ TB database on a 2019 sql server which...
The North Star for the Year
Comments posted to this topic are about the item The North Star for the...
Multiple Escape Characters
Comments posted to this topic are about the item Multiple Escape Characters
Question of the Day
Multiple Escape Characters
In SQL Server 2025, I run this code (in a database with the appropriate collation):
SELECT UNISTR('%*3041%*308A%*304C%*3068 and good night', '%*') AS 'A Classic';
What is returned? See possible answers