Using a Staging Environment for Tracking Down Bugs
A discussion why having a staging environment with data that mirrors production is vital to tracking down issues.
Being able to...
2011-06-08
2,137 reads
Using Nightly Populated Tables For Faster SQL Queries
A discussion about nightly populated tables and how they have reduced SQL Server load.
What’s more important – speed or data accuracy/quality...
2011-06-05
1,293 reads
Avoiding OR Conditions with Joins
Why OR conditions in join statements should be avoided and an example fix.
OR conditions and join statements – some things just...
2011-06-03
2,811 reads
SQL Exercise During Candidate Interview Process
A discussion of how BPS uses a SQL exercise for candidates and why it is helpful.
At the Boston Public Schools,...
2011-06-01
2,710 reads
SQL Query Run Time Estimation
A followup to a post about subqueries with an estimation for how long it would take for the query to...
2011-05-30
3,427 reads
Using Views for Faster SQL Query Development
A discussion of how views give a more denormalized means for querying against normalized tables.
Ad-hoc reports are frequently requested at...
2011-05-28
844 reads
Random Ordering of Results using NEWID
A discussion of how NEWID can be used to help randomize the results returned from a SQL query.
A scenario I...
2011-05-26
1,145 reads
Efficiency of Subqueries and OR conditions in SQL
A discussion of how joins significantly outperform subqueries and how this is more evident when OR conditions are involved.
SQL queries...
2011-05-25
949 reads
Double digits in posts!
Thank you to everyone reading this site - Please enjoy your stay!
HelpWithSQL has hit double digits in posts! I hope everyone...
2011-05-24
616 reads
SQL Joins and Subqueries
A discussion about SQL joins and subqueries with information about how to format join statements properly.
In any non-trivial task, developers...
2011-05-22
1,105 reads
Blogs
SQL Server Journey till 2025 (brief)
By Vinay Thakur
Quick Summary for Microsoft SQL Server till 2025, I am fortunate to be part...
Identity Columns Can’t Be Updated: #SQLNewBlogger
By Steve Jones
I’m not sure I knew identity column values could not be updated. I ran...
Rolling Back a Broken Release
By Steve Jones
We had an interesting discussion about deployments in databases and how you go forward...
Forums
Can someone please explain what happens?
I have mentioned this several times over several years. Can someone please help me...
SELECT COUNT(DISTINCT) returns null when nothing is found instead of 0
SELECT COUNT(DISTINCT Component) AS Found FROM tblComponents WHERE(Component NOT LIKE '%[a-z]%') AND(LTRIM(RTRIM(Component)) = 'GM13622')...
Remotely Engineer Fabric Lakehouse objects: The Fabric Modern Data Platform
Comments posted to this topic are about the item Remotely Engineer Fabric Lakehouse objects:...
Question of the Day
Creating JSON III
In a SQL Server 2025 table, called Beer, I have this data:
BeerIDBeerName 1Becks 2Fat Tire 3Mac n Jacks 4Alaskan Amber 8KirinI run this code:
SELECT JSON_OBJECTAGG(
BeerID: BeerName )
FROM beer;
What are the results? See possible answers