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Semantic Layers in the Age of AI are 100% Needed

2026-03-24 Education
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Alex The Analyst
Alex The Analyst
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Description

What are Semantic Layers? And why are they so important? In this lesson we are taking a look at what semantic layers are and the pros and cons of using them. ____________________________________________ RESOURCES: 💻Analyst Builder - https://www.analystbuilder.com/ 📖Take my Full MySQL Course Here: https://bit.ly/3tqOipr 📖Take my Full Python Course Here: https://bit.ly/48O581R 📖Practice Technical Interview Questions: https://bit.ly/46pDqqL Coursera Courses: Google Data Analyst Certification: https://coursera.pxf.io/5bBd62 Data Analysis with Python - https://coursera.pxf.io/BXY3Wy IBM Data Analysis Specialization - https://coursera.pxf.io/AoYOdR Tableau Data Visualization - https://coursera.pxf.io/MXYqaN *Please note I may earn a small commission for any purchase through these links - Thanks for supporting the channel!* ____________________________________________ BECOME A MEMBER - Want to support the channel? Consider becoming a member! I do Monthly Livestreams and you get some awesome Emoji's to use in chat and comments! https://www.youtube.com/channel/UC7cs8q-gJRlGwj4A8OmCmXg/join ____________________________________________ Websites: 💻Website: AlexTheAnalyst.com 💾GitHub: https://github.com/AlexTheAnalyst 📱Instagram: @Alex_The_Analyst ____________________________________________ *All opinions or statements in this video are my own and do not reflect the opinion of the company I work for or have ever worked for*

Top Comments (10)

@collettecollettec 2026-03-24

Currently using semantic layers in Snowflake Cortex. Enjoying it so far

3
@J0RDIMAN 2026-03-24

I agree that understanding data structure and context is the biggest challenge to using AI effectively for data analysis. Right now, I find myself shying away from using AI because I have to spend so much time explaining context and business rules/logic to get a useful output. I'd love to see a follow-up video showing how to get started building a semantic layer on top of existing tables.

3
@Back1Ply 2026-03-25

So the layers are Date -> Semantic model (data model) -> Semantic Layer -> Ontology layer ?

2
@AndrewStrough 2026-03-24

Great video, going through this right now

1
@autreelodia3456 2026-03-24

I have worked with semantic models for a while already and what you said about politics is extremely true. Additionally, quite some colleagues don't really see any value in this direction and it doesn't feel good, although I find this work genuinely exciting and meaningful

1
@Robert-sb1fp 2026-03-24

have you ever got your iq score id imagine it was high

0 2 replies
@joshcoyle1681 2026-03-25

You mention that semantic layers could be as simple as Yaml file- What are some other examples of what semantic layers might look like? Could you build sub-agents with system prompts that detail the data it is responsible for? Could you just have skill markdown file for each dataset?

0
@Gstakes 2026-03-24

Sounds like a lot of work

0
@beckembrown7002 2026-03-26

Is Semantic Layer and Ontology Layer the same or different?

0
@gauravsontakke1230 2026-03-29

Hey Alex plz make series Snowflake with Cortex Ai

0

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