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
2,135 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
1,291 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
2,804 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
2,709 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
3,393 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
843 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
1,142 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
948 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
614 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
1,102 reads
Blogs
The Benefits of Teaching
By Brian Kelley
Even preparing for a class or seminar with set materials takes a lot of...
Power BI, Excel, OneLake – Dreams Do Come True!
By DataOnWheels
I can’t believe it’s finally here! A way to have Excel live in OneDrive...
The Book of Redgate: What Our Staff Says
By Steve Jones
This image is from 2010, and it goes along with my last post of...
Forums
Website Stability 2025/12/05
All week we've had issues with the site being up and down. There's been...
403 Forbidden
I created a post (or tried) in the 2022 Admin forum. https://www.sqlservercentral.com/?post_type=topic&p=4694880 But it's...
Question of the Day
Fabric Mirroring
In which versions can I mirror a database from an on-premises SQL Server to a Fabric data warehouse?
See possible answers