Run T-SQL in Parallel
Writing CLR procedures to run T-SQL concurrently is not an extremely new idea. I have seen a lot of implementations...
2015-12-03
2,860 reads
john_wong_ca@hotmail.com
Run T-SQL in Parallel
Writing CLR procedures to run T-SQL concurrently is not an extremely new idea. I have seen a lot of implementations and I have written and improved it many times...
2015-12-03
3 reads
Print Long String
Quite often, I output information through PRINT command. It works well only when message is shorter than 8000 bytes. When...
2015-11-26 (first published: 2015-11-19)
1,721 reads
Get All Referenced Tables and Columns
I was always challenged when my customers asked me what tables and columns are referenced by a stored procedure which...
2015-11-19
1,471 reads
Get All Referenced Tables and Columns
I was always challenged when my customers asked me what tables and columns are referenced by a stored procedure which was written many years ago by the guy who...
2015-11-19
6 reads
Print Long String
Quite often, I output information through PRINT command. It works well only when message is shorter than 8000 bytes. When the message is greater than 8000 bytes, extra-characters will...
2015-11-19
5 reads
Changed SoundEx Disables Index While Upgrading to SQL 2012
Implementation of SoundEx function is changed in SQL Server 2012, described here. For an example, the result of SOUNDEX(‘Csomorova’) in...
2013-12-17
977 reads
Changed SoundEx Disables Index While Upgrading to SQL 2012
Implementation of SoundEx function is changed in SQL Server 2012, described here. For an example, the result of SOUNDEX(‘Csomorova’) in SQL Server 2012 is C561 whereas the result of...
2013-12-17
1 reads
Create Semaphore in Sybase
It seems like I am going to write another none SQL stuff again. No. This is a real life scenario....
2013-11-07
1,188 reads
Create Semaphore in Sybase
It seems like I am going to write another none SQL stuff again. No. This is a real life scenario. I am writing an ETL for my customer to...
2013-11-07
3 reads
Blogs
TSQL Tuesday #188 Growing community
I am responding late to a T-SQL Tuesday invite from John Sterrett. John’s call...
Time to Revive our YouTube Channel
It’s been forgotten about and neglected for few years but I’ve decided to dust...
Microsoft MVP 2025: Continuing the Data Platform Journey
I am honored to announce that I have been renewed as a Microsoft MVP...
Forums
How a Legacy Logic Choked SQL Server in a 30-Year-Old Factory
Comments posted to this topic are about the item How a Legacy Logic Choked...
SQL Server 2022 Clusterless Distributed Availability Group
Comments posted to this topic are about the item SQL Server 2022 Clusterless Distributed...
Navigating Multi Platform Realities in My Database Life
Comments posted to this topic are about the item Navigating Multi Platform Realities in...
Question of the Day
Query Plan Regressions --
For the Question of the day, I am going to go deep, but try to be more clear, as I feel like I didn't give enough info last time, leading folks to guess the wrong answer... :) For today's question: You’re troubleshooting a performance issue on a critical stored procedure. You notice that a previously efficient query now performs a full table scan instead of an index seek. Upon investigating, you find that an NVARCHAR parameter is being compared to a VARCHAR column in the WHERE clause. What is the most likely cause of the query plan regression?
See possible answers