SQL Server +0 and -0
This is a very interesting error happened in one of my clients’ databases. Their database has been running for at...
2013-04-30
1,563 reads
john_wong_ca@hotmail.com
SQL Saturday #198 Feb 16, 2013
SQL Saturday 198, http://www.sqlsaturday.com/198/ ; is coming to Vancouver Feb 16 this year. As of now, 56 sessions are collected from...
2013-01-09
822 reads
NULL Values Impact the Performance of MAX() and MIN()
We know that we need to take special attention about NULL values while writing queries because they may lead us into...
2012-12-26
2,329 reads
Inserted and Deleted are One Table?
Inserted and deleted tables are 2 pseudo tables preseting the before and after images of modified rows. They can only...
2012-10-17
2,435 reads
Update with UPDLOCK
Do you think it’s a good idea to add UPDLOCK hint to the table which will be modified in an...
2012-10-10
1,449 reads
Have You Seen This Error?
location: AppendOnlyVerStoreMgr.cpp:776
Expression: 0
SPID: 64
Process ID: 4912
Description: Cannot locate version record and page is not allocated. Status = 3
Msg 3624, Level 20,...
2012-09-10
1,348 reads
Get Dependent Databases, Tables, Columns…
Quite often people need to write a new T-SQL application to replace an existing one for various reasons. For instance,...
2012-07-06 (first published: 2012-06-29)
4,163 reads
Locking Behavior – Foreign Keys
With Snapshot (read committed snapshot and snapshot isolation level) enabled, when data reading on a table takes place, if any...
2012-06-26
2,753 reads
Bug? Can’t Pass TVP to SQL Function Twice
I run into a bug recently with SQL Server 2012. I believe this exists in SQL Server 2008 as well....
2012-06-20
1,099 reads
DBCC WritePage
DBCC WritePage is a dangerous undocumented DBCC command. It’s useful in your sandbox to change data, crash objects, and do...
2011-11-23
2,832 reads
Blogs
SQL Server instance metadata inventory with PowerShell and SMO
By SQLPals
SQL Server instance metadata inventory with PowerShell and SMO The purpose...
5 SQL Tricks Worth Remembering Before You Close the Laptop
Disclosure: this post may contain links to books as an affiliate link. If you...
Claude Context Window
By Arun Sirpal
Every Claude conversation has a context window. It is the total amount of text...
Forums
Fuzzy String Matching in SQL Server 2025
Comments posted to this topic are about the item Fuzzy String Matching in SQL...
Representing Money
Comments posted to this topic are about the item Representing Money
Celebrating 30 years of PostgreSQL, A Thank you message
Comments posted to this topic are about the item Celebrating 30 years of PostgreSQL,...
Question of the Day
Representing Money
Which types of currency does the money data type represent?
See possible answers