Andy Leonard
@andyleonard.bsky.social
Husband, father, grandfather, Fabric Data Factory, ADF, and SSIS guy, data engineer, author, consultant, slave for Jesus (Romans 1:1) http://linktr.ee/AndyLeonard
“What Am I Up To?
Agents.
I want to learn to build AI agents.”
- From Tinkering with Claude Memory
engineerofdata.substack.com/p/tinkering-...
Agents.
I want to learn to build AI agents.”
- From Tinkering with Claude Memory
engineerofdata.substack.com/p/tinkering-...
Tinkering with Claude Memory
Plus how my day's gone so far
engineerofdata.substack.com
January 6, 2026 at 11:14 AM
“What Am I Up To?
Agents.
I want to learn to build AI agents.”
- From Tinkering with Claude Memory
engineerofdata.substack.com/p/tinkering-...
Agents.
I want to learn to build AI agents.”
- From Tinkering with Claude Memory
engineerofdata.substack.com/p/tinkering-...
I did not have overtly political conversations over the holidays. I had several technology-related conversations and many of them wandered into the politically-adjacent. When those parts of the discourse emerged, the most-asked question I heard was, "Why haven't I heard this perspective?"
January 6, 2026 at 10:45 AM
I did not have overtly political conversations over the holidays. I had several technology-related conversations and many of them wandered into the politically-adjacent. When those parts of the discourse emerged, the most-asked question I heard was, "Why haven't I heard this perspective?"
My latest blog post is titled "Honored to Present Using AI To Be Your Data Engineering Partner at Day of Data Jax 2026" and is available at andyleonard.blog/jax-2026-ai-.... #DayofDataJax #SQLSatJax #Jax_Data #DayofData
January 5, 2026 at 1:56 PM
My latest blog post is titled "Honored to Present Using AI To Be Your Data Engineering Partner at Day of Data Jax 2026" and is available at andyleonard.blog/jax-2026-ai-.... #DayofDataJax #SQLSatJax #Jax_Data #DayofData
My latest newsletter is titled "Tinkering with Claude Memory" and is now available at engineerofdata.substack.com/p/tinkering-.... #claude #aiagents
Tinkering with Claude Memory
Plus how my day's gone so far
engineerofdata.substack.com
January 5, 2026 at 12:26 PM
My latest newsletter is titled "Tinkering with Claude Memory" and is now available at engineerofdata.substack.com/p/tinkering-.... #claude #aiagents
For a limited time, subscribe to my newsletter (Engineer of Data) and save 20%! Details at engineerofdata.substack.com/p/thank-you-.... #dataengineering #newsletter
January 2, 2026 at 1:52 PM
For a limited time, subscribe to my newsletter (Engineer of Data) and save 20%! Details at engineerofdata.substack.com/p/thank-you-.... #dataengineering #newsletter
I read this quote in a newsletter today:
"A man whose reputation has already been demolished by years of relentless attacks is strangely free. Free to go where others will not. Free to speak without calculation. Free to risk being misunderstood."
"A man whose reputation has already been demolished by years of relentless attacks is strangely free. Free to go where others will not. Free to speak without calculation. Free to risk being misunderstood."
January 1, 2026 at 4:25 PM
I read this quote in a newsletter today:
"A man whose reputation has already been demolished by years of relentless attacks is strangely free. Free to go where others will not. Free to speak without calculation. Free to risk being misunderstood."
"A man whose reputation has already been demolished by years of relentless attacks is strangely free. Free to go where others will not. Free to speak without calculation. Free to risk being misunderstood."
Happy New Year! My latest newsletter - titled "A SQL Server Countdown Function" - is now available at open.substack.com/pub/engineer.... #newsletter #sqlserver #countdown
January 1, 2026 at 1:55 PM
Happy New Year! My latest newsletter - titled "A SQL Server Countdown Function" - is now available at open.substack.com/pub/engineer.... #newsletter #sqlserver #countdown
Paid subscriptions to Engineer of Data (engineerofdata.substack.com) include access to my latest playbook titled “AI-Assisted Data Engineering Development Playbook” (delmsuite.com/ai-data-e…) -a $49 value, 200+ page PDF subtitled How I set up a virtual server for modern data engineering development.
December 31, 2025 at 11:58 AM
Paid subscriptions to Engineer of Data (engineerofdata.substack.com) include access to my latest playbook titled “AI-Assisted Data Engineering Development Playbook” (delmsuite.com/ai-data-e…) -a $49 value, 200+ page PDF subtitled How I set up a virtual server for modern data engineering development.
Today is the last day of 2025.
Seize it.
Seize it.
December 31, 2025 at 11:56 AM
Today is the last day of 2025.
Seize it.
Seize it.
I confess, it used to bug me when subscribers unsubscribed every time I posted a newsletter. And then it dawned on me: “Andy, you’re sending thousands of people an ‘Unsubscribe’ link every. single. time.”
2025: A Number Containing Two 2’s, One 5, and a 0
My whack at a year in review
engineerofdata.substack.com
December 29, 2025 at 1:08 PM
I confess, it used to bug me when subscribers unsubscribed every time I posted a newsletter. And then it dawned on me: “Andy, you’re sending thousands of people an ‘Unsubscribe’ link every. single. time.”
AI, Data Engineering, and 2026
I recently crossed my 50th year working with computers.
Most of that experience is useless.
What is useful is recognizing early signals - the moments when something changes productivity enough that ignoring it becomes the risky choice.
I recently crossed my 50th year working with computers.
Most of that experience is useless.
What is useful is recognizing early signals - the moments when something changes productivity enough that ignoring it becomes the risky choice.
AI, Data Engineering, and 2026
I recently crossed my 50th year working with computers.
engineerofdata.substack.com
December 27, 2025 at 10:18 AM
AI, Data Engineering, and 2026
I recently crossed my 50th year working with computers.
Most of that experience is useless.
What is useful is recognizing early signals - the moments when something changes productivity enough that ignoring it becomes the risky choice.
I recently crossed my 50th year working with computers.
Most of that experience is useless.
What is useful is recognizing early signals - the moments when something changes productivity enough that ignoring it becomes the risky choice.
And it came to pass in those days, that there went out a decree from Caesar Augustus that all the world should be taxed. (And this taxing was first made when Cyrenius was governor of Syria.) And all went to be taxed, every one into his own city.
December 25, 2025 at 10:37 AM
And it came to pass in those days, that there went out a decree from Caesar Augustus that all the world should be taxed. (And this taxing was first made when Cyrenius was governor of Syria.) And all went to be taxed, every one into his own city.
My latest blog post is titled "Separating Concerns in SSIS" and is available at andyleonard.blog/2025/12/sepa.... #designpatterns #dataengineering #ssis
December 22, 2025 at 8:30 PM
My latest blog post is titled "Separating Concerns in SSIS" and is available at andyleonard.blog/2025/12/sepa.... #designpatterns #dataengineering #ssis
My latest blog post is titled "Install Durandal Memory MCP Server to Mitigate AI Context Fatigue" and is available at andyleonard.blog/2025/12/inst.... #ai #claudecode #durandal #mcpserver #local #memory
December 17, 2025 at 10:35 PM
My latest blog post is titled "Install Durandal Memory MCP Server to Mitigate AI Context Fatigue" and is available at andyleonard.blog/2025/12/inst.... #ai #claudecode #durandal #mcpserver #local #memory
I confess: I really like SSMS v22. I feel the team at Microsoft delivered an outstanding product in this application. If you follow me on the socials, you know I do not hand out compliments on a whim – especially to Microsoft.
When Microsoft drops the ball, I throw the flag. 1/
When Microsoft drops the ball, I throw the flag. 1/
December 10, 2025 at 1:03 PM
I confess: I really like SSMS v22. I feel the team at Microsoft delivered an outstanding product in this application. If you follow me on the socials, you know I do not hand out compliments on a whim – especially to Microsoft.
When Microsoft drops the ball, I throw the flag. 1/
When Microsoft drops the ball, I throw the flag. 1/
It’s a new month and the start of a new work week. I encourage you to pause and write down what you’d like to accomplish today. As you do those things, check them off. 1/2
December 1, 2025 at 2:13 PM
It’s a new month and the start of a new work week. I encourage you to pause and write down what you’d like to accomplish today. As you do those things, check them off. 1/2
I love the smell of a new virtual server in the morning. :{>
November 29, 2025 at 1:28 PM
I love the smell of a new virtual server in the morning. :{>
Praying for a speedy recovery and return to duty for the two National Guard soldiers who were wounded near the White House earlier today.
November 26, 2025 at 10:33 PM
Praying for a speedy recovery and return to duty for the two National Guard soldiers who were wounded near the White House earlier today.
You, me, Fabric Data Factory.
10 Dec 2025. Live. Online. On sale!
Register today at entdna.com/a-day-of-fab.... :{> #fabric #datafactory #training
10 Dec 2025. Live. Online. On sale!
Register today at entdna.com/a-day-of-fab.... :{> #fabric #datafactory #training
November 24, 2025 at 8:15 PM
You, me, Fabric Data Factory.
10 Dec 2025. Live. Online. On sale!
Register today at entdna.com/a-day-of-fab.... :{> #fabric #datafactory #training
10 Dec 2025. Live. Online. On sale!
Register today at entdna.com/a-day-of-fab.... :{> #fabric #datafactory #training
The latest release of Fabric Navigator has cool features. It surfaces Fabric SQL databases, supports copying artifact names and id’s, masks - and remembers the previous - tenant and client id’s. Best of all? Fabric Navigator is free! Download it today at delmsuite.com/fabric-navigator :{>
November 15, 2025 at 1:25 AM
The latest release of Fabric Navigator has cool features. It surfaces Fabric SQL databases, supports copying artifact names and id’s, masks - and remembers the previous - tenant and client id’s. Best of all? Fabric Navigator is free! Download it today at delmsuite.com/fabric-navigator :{>
Happy Birthday @brento.bsky.social! <:{>
November 10, 2025 at 5:02 PM
Happy Birthday @brento.bsky.social! <:{>
I posted this as a comment on a different platform, but perhaps it deserves a wider audience: 1/
November 5, 2025 at 1:57 PM
I posted this as a comment on a different platform, but perhaps it deserves a wider audience: 1/
My friend and brother from another mother, @buckwoodymsft.bsky.social, shares an insight this Monday morning regarding data literacy (www.linkedin.com/posts/buckwo...). When I deliver training, I often mention the book "How To Lie With Statistics." 1/2
November 3, 2025 at 2:40 PM
My friend and brother from another mother, @buckwoodymsft.bsky.social, shares an insight this Monday morning regarding data literacy (www.linkedin.com/posts/buckwo...). When I deliver training, I often mention the book "How To Lie With Statistics." 1/2
This morning's coding anthem is "Start a Fire" by Aaron Rench to kick off the first coding anthem of #noquarternovember :{> www.youtube.com/watch?v=8Jat...
Start A Fire / Aaron Rench ft Adriel Cruz OFFICIAL
YouTube video by Canon Press
www.youtube.com
November 3, 2025 at 2:26 PM
This morning's coding anthem is "Start a Fire" by Aaron Rench to kick off the first coding anthem of #noquarternovember :{> www.youtube.com/watch?v=8Jat...
My latest blog post is titled "Join me 17 Dec 2025 for A Day of Azure Data Factory Live, 1-Day Training" and includes a coupon code to save 10%! Read more at andyleonard.blog/2025/10/join.... #adf #live #training
October 30, 2025 at 10:56 AM
My latest blog post is titled "Join me 17 Dec 2025 for A Day of Azure Data Factory Live, 1-Day Training" and includes a coupon code to save 10%! Read more at andyleonard.blog/2025/10/join.... #adf #live #training