How to read documentation
I was thinking about a comment I made to my intern last week. She has been studiously attending to all the different things I do in my day (what...
2019-10-02
21 reads
Blog Posts
How to test ETL Processes in production
This is the final part in the four-part series into testing ETL pipelines, how exciting!
Part 1 - Unit Testing https://the.agilesql.club/2019/07/how-do-we-test-etl-pipelines-part-one-unit-tests/ Part 2 - Integration Testing https://the.agilesql.club/2019/08/how-do-we-prove-our-etl-processes-are-correct-how-do-we-make-sure-upstream-changes-dont-break-our-processes-and-break-our-beautiful-data/ Part 3...
2019-10-02
122 reads
How to test ETL Processes in production
This is the final part in the four-part series into testing ETL pipelines, how exciting!
Part 1 - Unit Testing https://the.agilesql.club/2019/07/how-do-we-test-etl-pipelines-part-one-unit-tests/ Part 2 - Integration Testing https://the.agilesql.club/2019/08/how-do-we-prove-our-etl-processes-are-correct-how-do-we-make-sure-upstream-changes-dont-break-our-processes-and-break-our-beautiful-data/ Part 3...
2019-10-02
8 reads
Shutting Off PowerShell Warnings–#SQLNewBlogger
Another post for me that is simple and hopefully serves as an example for people trying to get blogging as #SQLNewBloggers. Not really a SQL Server post, but I...
2019-10-02
15 reads
Speaker at SQL Saturday# 912 – New York 2019
I’m very happy to announce that for the first time, I will be participating as speaker at the SQL Saturday# 912 in New York City! This event will be...
2019-10-02
21 reads
Troubleshooting NUMA Node Inbalance Problems
(Be sure to checkout the FREE SQLpassion Performance Tuning Training Plan - you get a weekly email packed with all the essential knowledge you need to know about performance...
2019-10-02 (first published: 2019-09-23)
721 reads
"Think Like a Certification Exam" at the PASS Career Dev marathon
Join me for my new webinar "Think Like a Certification Exam" at #PASSmarathon taking place on October 10!One of my favorite non-technical presentations to give explains how and why...
2019-10-01
71 reads
How to connect spark to ms sql server without '[Error] [JvmBridge] java.sql.SQLException: No suitable driver'?
“[Error] [JvmBridge] java.sql.SQLException: No suitable driver” - unable to connect spark to Microsoft SQL Server.
In spark when you want to connect to a database you use Read() passing in...
2019-10-01
424 reads
How to connect spark to ms sql server without '[Error] [JvmBridge] java.sql.SQLException: No suitable driver'?
“[Error] [JvmBridge] java.sql.SQLException: No suitable driver” - unable to connect spark to Microsoft SQL Server.
In spark when you want to connect to a database you use Read() passing in...
2019-10-01
11 reads
More "Wrong" SQL Server Math - Floating Point Errors
Watch this week's video on YouTube
Last week we looked at how implicit conversions and datatype precedence can cause SQL Server to output unexpected results (if you aren't aware of how it...
2019-10-01
11 reads
Blogs
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...
A bespoke reporting solution doesn’t have to cost the earth
By ChrisJenkins
You could be tolerating limited reporting because there isn’t an off the shelf solution...
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