Removing Identical Duplicate Rows
Deleting duplicate rows out of a table can be tricky. A brute force way to do this is with a...
2012-02-28 (first published: 2012-02-21)
4,220 reads
Will Assaf
Find Dependencies
Here's a script from my toolbox I use to find dependencies between SQL objects. The where clause has a number...
2012-02-21
1,035 reads
..This operation must be performed in the master database."
"Cannot alter a server audit from a user database. This operation must be performed in the master database."
If you're trying...
2012-02-03
1,057 reads
Actual Emails: Is "NOLOCK is the epitome of evil?"
Sent: Friday, January 20, 2012 10:30 AM
To: William Assaf
Subject: dba has a questionWilliam,
Can you send me references to support my contention that NOLOCK...
2012-01-24 (first published: 2012-01-21)
3,868 reads
Open_transaction_count in sys.dm_exec_sessions
This news may be a few months old, but it is worth noting that there is now a column called...
2011-12-16
1,383 reads
View execution plan for a sproc in the wild
Got stored procedure problems? I feel sorry for you son.
Here's a quick query to pull the cached execution plan out...
2011-12-16
1,693 reads
Using sys.dm_exec_requests to find a blocking chain
A query that calls sys.dm_exec_requests and pulls the statement text out of the request is a handy script for any DBA's...
2011-10-19
3,147 reads
Slides and Sample code: SQL Server Admin Best Practices with DMV's from the Houston TechFest 2011
Here's my official blog page for my presentation on SQL Server Admin Best Practices with DMV's from the Houston TechFest...
2011-10-15
921 reads
Resource Governor clamps down on Greedy Reports
One of the things I run into every now and then is this provincial idea that reports can and should...
2011-10-10
1,297 reads
Houston TechFest UG Leadership Summit
At the Houston TechFest 2011 Conference at the University of Houston I will be hosting a User Group Leadership Summit...
2011-10-06
572 reads
Blogs
A Conversation That Refused to End: What We Learned from Our First Event in Zurich
On May 8, 2025, we hosted our first official event in Switzerland at Prime...
A DevOps Workshop Tomorrow in Atlanta
By Steve Jones
Tomorrow is the Redgate DevOps Day in Atlanta. You can still sign up, so...
Stop Wasting Time Rebuilding Indexes Every Night
By Kevin3NF
Too many IT teams run index rebuild jobs on autopilot. Every night. Every index....
Forums
CAST(VARCHAR(n)) resolved performance issue?
Hi, I would love to hear if anyone can tell me why a CAST...
isnull, coalesce overhead
hi, one of our sister division's erp extract view is going thru at least...
is there an elegant way for agent notification to show failure if any step fails
hi our corp dw load sqlagent job goes to the next step on the...
Question of the Day
The Internals of Writing a Page
In SQL Server, when the buffer manager write pages to disk, page protection is added to the pages. There are two types of protection: torn page protection and checksum page protection. What happens with regards to concurrency with page protection during writes?
See possible answers