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
2,140 reads
Help With SQL
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
1,296 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
2,829 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
2,712 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
3,525 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
846 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
1,150 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
959 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
1,111 reads
Blogs
Programmatic Tool Calling with the Claude SDK
Programmatic Tool Calling with the Claude SDK Every morning somebody on the team runs the...
A New Word: Mauerbauertraurigkeit
By Steve Jones
mauerbauertraurigkeit – n. inexplicable urge to push people away, even close friends whose company...
Methodology for dealing with bad data in production
By Brian Kelley
Pinal Dave wrote up his methodology for what to do when you discover bad...
Forums
Why SQL Server Database Attach fails and how to repair it
Comments posted to this topic are about the item Why SQL Server Database Attach...
Fixing P1 Queries
Comments posted to this topic are about the item Fixing P1 Queries
Question of the Day
BIT_COUNT() IV
In SQL Server 2025, I run this code:
select bit_count('A')
What is returned? See possible answers