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
12,061 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
434 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
55,252 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
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
21,071 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
1,221 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
976 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
1,468 reads
Blogs
Monday Monitor Tips: The Jobs Report
By Steve Jones
A customer wanted a report they could email to their boss about jobs, something...
Automating SQL Maintenance: How DevOps Principles Reduce Downtime
By Chris Yates
In the world of modern data infrastructure, SQL databases remain the backbone of enterprise...
From Couch-Potato to Triathlete – and What This Means for Your SQL Server
Do you know if your SQL Server is really running at its best? To...
Forums
Find Invalid Objects in SQL Server
Comments posted to this topic are about the item Find Invalid Objects in SQL...
Single User SQL Server on Linux
Comments posted to this topic are about the item Single User SQL Server on...
All the Costs of Downtime
Comments posted to this topic are about the item All the Costs of Downtime
Question of the Day
Single User SQL Server on Linux
How can I start SQL Server on Linux in single-user mode to restore the master database?
See possible answers