Requiring Columns Over 900 Bytes to Be Unique
Had a friend call me recently to ask about how to do this, had an nvarchar(2000) column that needed to...
2007-10-22
1,455 reads
If Exists (Select 1...) vs If Exists (select * ...)
If exists is a well known way to improve performance because it returns as soon as it matches a single...
2007-10-21
1,838 reads
SQLSaturday Update - 215 Registered!
We're at 215 registered with 3 weeks to the big day! This week I'll be having the last planning meeting...
2007-10-21
1,461 reads
ZFS & Hard Drive Defects
The most recent ACM Queue Magazine (Vol 5 #6, Sep/Oct 2007) had two really interesting articles. The first was about...
2007-10-21
1,513 reads
Suggestions for PASS Published on SSC
I wrote this article shortly after returning from the PASS 2007 Summit and tried hard to come up with ideas...
2007-10-18
1,350 reads
Suggested Reading: Deadlock Notifications in SQL Server 2005
Here's a good article on setting up Deadlock Notifications in SQL Server 2005 written by Patrick LeBlanc.
2007-10-16
1,485 reads
The Troubleshooting List & Replication Statement Delivery Options
All of these are new articles that have gone up on SSC recently. The troubleshooting one was my attempt to...
2007-10-14
633 reads
Bill Graziano Visits oPASS & JSSUG
Bill Graziano (main man at SQLTeam.com, consultant, and VP of PASS) was in town recently to speak at both the...
2007-10-13
685 reads
Schema as Folder
I'm catching up on my reading today and ran across an article from Kathi Kellenberger called Understanding the Difference between...
2007-10-13
605 reads
Partitioning Part 2 Posted on SSC
I'm a couple days late updating the blog, the article went up on Mon.
2007-10-11
573 reads
Blogs
Methodology for dealing with bad data in production
By Brian Kelley
Pinal Dave wrote up his methodology for what to do when you discover bad...
How to Provision an Azure SQL Database
Aside from spinning up a SQL Server instance container, the free Azure SQL Database...
Claude finds two cryptographic weaknesses (but the sky isn’t falling)
By Brian Kelley
If you haven't seen the announcement, Anthropic was able to utilize Claude (Mythos Preview)...
Forums
Why SQL Server Database Attach fails and how to repair it
Comments posted to this topic are about the item Why SQL Server Database Attach...
Fixing P1 Queries
Comments posted to this topic are about the item Fixing P1 Queries
BIT_COUNT() IV
Comments posted to this topic are about the item BIT_COUNT() IV
Question of the Day
BIT_COUNT() IV
In SQL Server 2025, I run this code:
select bit_count('A')
What is returned? See possible answers