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
1,571 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
2,339 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
2,443 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
1,462 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
1,362 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)
4,175 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
2,759 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
1,108 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
2,857 reads
Blogs
The Book of Redgate: Hours
By Steve Jones
I have said and written this many times: Redgate Software is the type of...
How to Check TDE Progress and Elapsed Time in SQL Server
By SQLPals
How to Check TDE Progress and Elapsed Time in SQL Server ...
PostgreSQL Support in the Data API Builder
By Steve Jones
Next week I’m at VS Live in San Diego (register and join me) and...
Forums
Squared Values
Comments posted to this topic are about the item Squared Values
I Don't Want To Do XX
Comments posted to this topic are about the item I Don't Want To Do...
Managing Feature Flags with GET_BIT() and SET_BIT() in SQL Server
Comments posted to this topic are about the item Managing Feature Flags with GET_BIT()...
Question of the Day
Squared Values
What happens when I run this code in SQL Server 2022?
SELECT SQUARE('12') See possible answers