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
12,476 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
437 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
55,809 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
570 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
21,477 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
1,230 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
Blogs
T-SQL Tuesday #196 – Two risky career decisions I made
By DataOnWheels
The T-SQL Tuesday topic this month comes James Serra. What career risks have you...
T-SQL Tuesday #192: What career risks have you taken?
This T-SQL Tuesday is hosted by the one and only James Serra – literally...
T-SQL Tuesday #196: Taking Risks
By Steve Jones
This month we have a new host, James Serra. I’ve been trying to find...
Forums
OPENQUERY Flexibility
Comments posted to this topic are about the item OPENQUERY Flexibility
A Full Shutdown
Comments posted to this topic are about the item A Full Shutdown
Going Native with Fabric Spark Pools: The Fabric Modern Data Platform
Comments posted to this topic are about the item Going Native with Fabric Spark...
Question of the Day
OPENQUERY Flexibility
Which of these are valid OPENQUERY() uses?
See possible answers