LACK OF TRUST with your DATA? — Does dbt provide the ANSWER?

Mastering Snowflake
5 min readMar 13, 2024

Thank you for reading my latest article LACK OF TRUST with your DATA? — Does dbt provide the ANSWER?.

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Introduction

In the ever-evolving landscape of data analytics, staying ahead means leveraging the right tools and technologies that not only streamline operations but also unlock the full potential of your data.

This is where dbt’s semantic layer comes into play. This is a revolutionary approach to managing data definitions and metrics across your analytics ecosystem and is creating a lot of interest in the market — especially for existing dbt customers.

But how do you know if your business is in dire need of this innovation, and what benefits can it bring to your table? This week’s newsletter attempts to answer these questions, along with the help of Jordan Stein dbt’s Semantic Layer product manager!

What Is dbt’s Semantic Layer?

dbt (data build tool) has recently introduced a semantic layer that acts as a centralized repository for defining business metrics and data models. You can think of this like a translation layer which sits between your transformed data in the warehouse and your data consumption tools.

This allows you to maintain consistent definitions that are accessible across all your reporting and analytics tools. Imagine having a single source of truth for metrics like customer lifetime value or monthly recurring revenue that can be used in BI tools, custom applications, and anywhere else your data is consumed.

How Do You Know You Need One?

We’ve all been there right? Everyone is in a meeting and a fundamental business question is asked such as “How many active customers do we have?”

And there’s 3 different answers, before an in-depth discussion breaks out on what actually is an ‘active’ customer?! Simply put, this is the basic problem the semantic layer in dbt aims to solve.

If I were to attempt to generalize the challenges at a high level, I’d suggest these 3 categories:

  1. Inconsistency Across Reports: If you’ve ever faced a situation where different departments report different numbers for the same metric, it’s a clear sign you need a semantic layer.
  2. Time-Consuming Report Generation: Analysts spending more time validating data definitions than analyzing data? A semantic layer can save the day.
  3. Scaling Analytics Is a Challenge: As your company grows, so does the complexity of your data. A semantic layer ensures your analytics can scale seamlessly without losing integrity or accuracy.

The Business Benefits of Implementing dbt’s Semantic Layer

So, no doubt you might be reading this nodding your head thinking “yep, I’ve got these problems!” The next challenge is how do you attempt to quantify the business benefits to build a case to invest time and money to introduce dbt’s Semantic Layer to your organization.

Well, here’s 4 pointers to get you started:

  1. Enhanced Data Integrity and Consistency: By centralizing metric definitions, you eliminate discrepancies and ensure everyone is on the same page, leading to more accurate decision-making.
  2. Increased Productivity: Analysts can focus on deriving insights rather than debating over metric definitions, significantly speeding up the data analysis process.
  3. Scalability: As your data grows, the semantic layer grows with you, accommodating new metrics and models without disrupting existing analytics.
  4. Improved Collaboration: A shared understanding of metrics fosters better collaboration across teams, breaking down silos and promoting a data-informed culture.

Want more? Check out the video!

Huge shout out to the dbt team on helping to collaborate on this video! In fact, they compiled a list of the top questions customers have around the semantic layer:

1. How is dbt different from an OLAP cube?

2. Who is the semantic layer intended for? (who set’s it up and who users it?)

3. Will the dbt semantic layer store my data?

4. What tool does the SL work with?

5. What data platforms does it work with?

6. How do I find out what metrics currently exist?

7 Who has access to these metrics?

To get answers to these questions and see a brief demo of the semantic layer then join me and Jordan Stein, dbt’s own Semantic Layer product manager as we break it all down for you in this week’s video!

Conclusion: A Step Towards Data-Driven Excellence

Implementing dbt’s semantic layer is not just about enhancing your data analytics capabilities; it’s a strategic move towards building a robust, scalable, and collaborative data culture within your organization.

If you’re a dbt customer and suffer these issues then aiming to implement dbt’s semantic layer is a pivotal step in your data journey. As you contemplate this transformation, remember, the goal is not just to manage data more effectively, but to unlock its true potential for your business.

Ready to take the leap? Got further questions??

Let me know and we can help!

To stay up to date with the latest business and tech trends in data and analytics, make sure to subscribe to my newsletter, follow me on LinkedIn, and YouTube, and, if you’re interested in taking a deeper dive into Snowflake check out my books ‘Mastering Snowflake Solutions and SnowPro Core Certification Study Guide’.

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About Adam Morton

Adam Morton is an experienced data leader and author in the field of data and analytics with a passion for delivering tangible business value. Over the past two decades Adam has accumulated a wealth of valuable, real-world experiences designing and implementing enterprise-wide data strategies, advanced data and analytics solutions as well as building high-performing data teams across the UK, Europe, and Australia.

Adam’s continued commitment to the data and analytics community has seen him formally recognised as an international leader in his field when he was awarded a Global Talent Visa by the Australian Government in 2019.

Today, Adam is dedicated to helping his clients to overcome challenges with data while extracting the most value from their data and analytics implementations. You can find out more information by visiting his website here.

He has also developed a signature training program that includes an intensive online curriculum, weekly live consulting Q&A calls with Adam, and an exclusive mastermind of supportive data and analytics professionals helping you to become an expert in Snowflake. If you’re interested in finding out more, check out the latest Mastering Snowflake details.

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