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
55,485 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
392 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
567 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
21,184 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
1,222 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
977 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
1,469 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
1,364 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
563 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
604 reads
Blogs
T-SQL Tuesday #192 Invitation: SQL Server 2025 Excitement
By Steve Jones
It’s that time of the month again, and once again, I’m late and I’m...
The Book of Redgate: What Our Customers Say
By Steve Jones
This is from 2010, but I loved that people felt this way about Redgate...
Export a Power BI Report that cannot be Downloaded
Yes, you’re reading that right, we’re going to download a report that cannot be...
Forums
Is Adenoz Injection safe for patients with low blood pressure?
Adenoz Injection is used to treat specific heart rhythm disorders, but it must be...
Economics of AI: What is the Real Cost to Profit?
Comments posted to this topic are about the item Economics of AI: What is...
Poor Name Choice
Comments posted to this topic are about the item Poor Name Choice
Question of the Day
Getting the Indexed Columns
I run this code on SQL Server 2022 to get a list of all the indexes and their key columns. What is returned?
SELECT
INDEX_COL (N'AdventureWorks2017.Sales.SalesOrderDetail') See possible answers