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
1,569 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
824 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
2,336 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
2,441 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
1,460 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
1,359 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)
4,173 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
2,757 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
1,106 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
2,852 reads
Blogs
The Book of Redgate: Evidence
By Steve Jones
We aren’t the only company that does this, but Redgate Software does try to...
When Your Microsoft Fabric Capacity Runs Out: Optimize, Scale Up, Scale Out, or Isolate?
By James Serra
Microsoft Fabric makes it wonderfully easy to put many analytics workloads on one platform....
Accessing the Data API Builder MCP Server from VS Code
By Steve Jones
I recently started playing with the MCP Server for SQL Server, which is a...
Forums
Execute as failure
Security has long been a problem for me. Every time I think I understand...
BIT_COUNT() V
Comments posted to this topic are about the item BIT_COUNT() V
How We Reduced SQL Server Infrastructure Costs by 33% on AWS: Lessons From a Database Operations Manager
Comments posted to this topic are about the item How We Reduced SQL Server...
Question of the Day
BIT_COUNT() V
What does this return on SQL Server 2025?
select bit_count(null)See possible answers