Insights
Why Kimball Data Modelling Is Still Relevant in Today’s Modern Cloud Data Platform Era
- Category
- Blog
- Date published
- 19.11.2024
- Written by
- Lee Rorison, Founder & CEO of Seriös Group
In the era of cloud-native architectures, streaming data, and real-time analytics, the temptation to dismiss "traditional" approaches like Kimball data modelling is understandable. After all, modern data platforms promise agility, scalability, and flexibility that were unimaginable during the days of on-premises data warehouses. However, dismissing Kimball outright risks overlooking its enduring value in creating structured, reliable, and efficient data ecosystems—even in today's cutting-edge cloud environments.
Timeless Principles in a Modern Context
At its core, Kimball data modelling is about organising data for usability. Dimensional modelling provides a consistent, intuitive framework for querying and reporting, enabling analysts to access meaningful insights without requiring deep technical expertise. This simplicity is crucial in today's world, where data democratisation is a strategic imperative.
While modern data platforms support semi-structured and unstructured data, most businesses still rely heavily on structured data for mission-critical analytics. Here, the principles of Kimball shine. By designing data models that align with business processes, Kimball ensures data is both comprehensible and actionable qualities that technology alone can't guarantee.
Cloud Scalability Meets Proven Design
Critics of Kimball often cite the perceived rigidity of dimensional models. They argue that today's cloud platforms, with their ability to handle raw and semi-structured data at scale, make pre-defined schemas obsolete. However, this misses the point: scalability does not equal usability. Even the most robust cloud platform can struggle with query performance or data quality when the underlying data lack’s structure.
By blending Kimball's best practices—such as star schemas and conformed dimensions—with the dynamic capabilities of cloud-native tools, organisations can achieve the best of both worlds: scalability without sacrificing performance or usability.
The Role of Automation and ELT in Reinventing Kimball
Modern data platforms like Snowflake, Databricks, and BigQuery have redefined how data is ingested and transformed. ELT pipelines and tools like dbt allow businesses to implement Kimball-esque models in a fraction of the time, with added flexibility for iteration. This synergy makes dimensional modelling not just feasible, but faster and more adaptable than ever.
Moreover, Kimball's emphasis on designing for analytics-first use cases dovetails perfectly with the goals of automated cloud data pipelines. By applying a Kimball framework during the transformation phase, organisations can ensure that their data is optimised for downstream analysis while leveraging the power of cloud compute.
Driving Business Outcomes with Familiarity
One of Kimball's often-overlooked advantages is its familiarity. Many data professionals, from seasoned architects to junior analysts, understand the principles of dimensional modelling. This shared language simplifies collaboration and reduces onboarding times—a critical benefit as organisations strive to scale their data teams.
Additionally, business users often find Kimball-modelled data warehouses easier to navigate compared to raw or overly abstracted data lakes. This accessibility fosters trust in data and accelerates decision-making, aligning directly with the goals of modern data strategies.
Conclusion
The modern data platform era does not render Kimball data modelling obsolete; instead, it reaffirms its relevance in new ways. By integrating the timeless principles of dimensional modelling with the power of cloud platforms, organisations can create data ecosystems that are both scalable and user-friendly. Kimball remains a foundational pillar—not as a constraint, but as an enabler of modern, agile, and business-focused data strategies.
In a world where technology evolves faster than ever, the best solutions often come from marrying proven principles with cutting-edge innovation. Kimball modelling is a prime example of this synergy, and its relevance will only grow as businesses continue to demand both performance and simplicity from their data platforms.