Are int joins faster than string joins?
This one comes up a lot on the forums, often as advice given…
“You should use integers for the key rather...
2011-02-15
5,318 reads
Gail Shaw
- Interests: Computer Graphics, Aikido, Roleplaying
Quest Webcast: Dos and Don’ts of Database corruption
I was guest presenter on last week’s Quest Pain of the Week presentation. The presentation is available for download from...
2011-02-14
640 reads
Is a clustered index best for range queries?
I see a lot of advice that talks about the clustered index been the best index for use for range...
2011-02-01
1,698 reads
Upcoming presentations
It’s looking like it’s going to be a busy year.
It’s only January and I already have three presentations lined up...
2011-01-28
538 reads
Distincting an IN subquery
This is going to be a quick one…
I keep seeing forum code (and production code) that includes the DISTINCT in...
2011-01-26
5,455 reads
Distincting an IN subquery
This is going to be a quick one…
I keep seeing forum code (and production code) that includes the DISTINCT in...
2011-01-18
6,080 reads
Capturing the Execution Plan
One last post on execution plans and Profiler (at least for now)
When trying to check a query’s execution plan, the...
2011-01-04
1,390 reads
Do IF statements cause recompiles?
I heard this one over at SSC a while back. “Avoid IF statements in stored procedures as they result in...
2010-12-15
3,713 reads
Do IF statements cause recompiles?
I heard this one over at SSC a while back. “Avoid IF statements in stored procedures as they result in...
2010-12-14
1,486 reads
Recompiles
I’ve looked at cache hit and miss events and at the cache insert and remove events. The only cache-monitoring event...
2010-11-18
2,142 reads
Blogs
T-SQL Tuesday #192: What career risks have you taken?
By James Serra
I’m honored to be hosting T-SQL Tuesday — edition #192. For those who may...
AI: Blog a Day – Day 3: LLM Models – Open Source vs Closed Source
By Vinay Thakur
Continuing from Day 2 , we learned introduction on Generative AI and Agentic AI,...
How to Parameterize Fabric Linked Services in Azure Data Factory for Azure Devops Deployment
Quite the title, so let me set the stage first. You have an Azure...
Forums
A Quick Restore
Comments posted to this topic are about the item A Quick Restore
Guarding Against SQL Injection at the Database Layer (SQL Server)
Comments posted to this topic are about the item Guarding Against SQL Injection at...
Ola Hallengren Index Optimize Maintenance can we have data compression = page
I have a quick question on Ola Hallengren Index Optimize Maintenance . Do we...
Question of the Day
A Quick Restore
While doing some testing of an application, I wanted to reset my environment after doing some testing with this code:
USE DNRTest BACKUP DATABASE DNRTest TO DISK = 'dnrtest.bak' GO /* Bunch of stuff tested here */RESTORE DATABASE DNRTest FROM DISK = 'dnrtest.bak' WITH REPLACEWhat happens if this runs, assuming the "bunch of stuff" isn't anything affecting the instance. See possible answers