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Quest Data Modeler

Modern data teams don’t just need better diagrams, they need shared meaning. Quest Data Modeler is a cloud-native, AI-assisted data modeler that brings business and technical teams into one collaborative workspace, so every dashboard, pipeline, and AI system in your organization is built on data definitions you can trust.

No more sluggish / siloed modeling cycles

Data modeling has always been foundational. The demands on it have grown. Cloud platforms, AI initiatives, and cross functional data teams are all pulling on the same models, at the same time, and faster than ever before. Modeling tools need to keep pace, giving teams a way to design, align, and govern data definitions at the speed the modern data stack moves.

As organizations adopt more cloud platforms, BI tools, and AI systems, every new layer can introduce its own version of "customer" or "revenue." Modeling is no longer just about designing schemas — it's about maintaining one shared, governed definition layer that every downstream tool can depend on. That requires a modeling environment built for the scale and pace of today's stack.

Architects, analytics engineers, data stewards, and business stakeholders all need a seat at the modeling table now. The discipline hasn't changed — but the participation model has. Teams need a shared, browser-native environment where business meaning and technical structure can be defined together, in real-time, without waiting on handoffs or version exchanges.

Cloud warehouses, dbt projects, and pipelines evolve continuously, and the models that govern them have to evolve just as quickly. The opportunity is to treat models as living, connected artifacts — tied directly to the platforms they describe, with AI assistance to accelerate iteration and governance built in to keep everything aligned as it changes.

Key Benefits

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Accelerated delivery

Leveraging natural language prompts and AI-assistance, reduce modeling cycles…
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Improved model quality before production

Give teams a governed, reviewable environment to collaborate, compare changes, resolve conflicts, and catch costly design issues earlier in the lifecycle.
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Modernize without disrupting existing investments

Connect established desktop modeling practices via Mart on Cloud and adopt the modern SaaS experience at your own pace — without abandoning models, workflows, or expertise.
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Enhanced control

Use AI to accelerate modeling work while keeping human review, governance, and enterprise standards firmly in place across every change.
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Increase productivity across modern data teams

Support the platforms and workflows teams already use, so engineers, architects, analysts and stewards can work more efficiently across the entire data lifecycle.
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Stronger foundation for trusted data products

Turn data models into governed, reusable assets that improve data quality and consistency across every downstream pipeline, dashboard, and AI system.

Highlighted Features

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AI-assisted modeling
Natural-language model generation, auto-suggested joins and relationships, AI-assisted refactoring, and automated documentation — with opt-in governance and audit visibility.
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Browser-native, real-time collaboration
Multi-user editing, comments, and discussions on entities, Git-like versioning and shared semantic definitions — all without desktop installs or version drift.
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Mart enterprise repository
Centralized model storage with check-in/check-out, conflict resolution, version history, model compare and merge, and standards enforcement at enterprise scale.
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Conceptual, logical, and physical modeling
End-to-end traceability across every modeling layer, with forward and reverse engineering against modern cloud platforms like Fabric, Databricks, and PostgreSQL.
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Modern stack integration
Native dbt, Git and REST API connectivity — designed to be part of the modern data stack, not another silo beside it.
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Native QTDMP integration
A native component of the Quest Trusted Data Management Platform, connecting modeling directly to governance, catalog, quality, and automated data product delivery.
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Ready to take the next step to AI readiness?

Knowledge Center

FAQ

Quest Data Modeler is designed for data-driven organizations operating in cloud-first or hybrid environments — particularly those running Microsoft Fabric, Databricks, or Snowflake alongside modern tools like dbt. It serves the full range of practitioners involved in data modeling today: data architects standardizing structures and governance, analytics and data engineers building reliable pipelines, business analysts and stewards who need to understand and trust the data, and AI and data science leaders who require well-defined data foundations for reliable model output. If your teams are struggling with inconsistent definitions, slow analytics delivery, or a growing gap between business meaning and technical implementation, Quest Data Modeler is built for you.

Most cloud-native modeling tools were built from scratch and lack the depth required for enterprise-scale modeling programs. Quest Data Modeler is different in three important ways. First, it brings a centralized enterprise model repository with true check-in/check-out, conflict resolution, and version history — governance infrastructure that newer cloud entrants don't offer. Second, it's backed by 30+ years of erwin modeling heritage, delivering proven physical-modeling lifecycle depth in a browser-native SaaS experience. Third, it's a native component of the Quest Trusted Data Management Platform, so organizations can extend modeling into governance, catalog, and data quality through a unified platform when they're ready. The result is enterprise-grade modeling discipline that fits the way modern data teams build.

You don't have to choose between modernizing to the cloud and protecting the modeling work you've built over years. Quest Data Modeler offers a hybrid coexistence and migration path that no cloud-native competitor can match. You can continue using erwin Desktop where it makes sense, migrate assets into Quest Data Modeler when you're ready, and run both environments in parallel under a unified governance model. This means your existing models, naming standards, and governance workflows come with you — and your team can transition to cloud-native modeling at the pace that fits your business.

Quest Data Modeler is built to be a connected component of the modern data stack, not a standalone silo. It supports native integration with leading cloud data platforms — including Microsoft Fabric, Databricks, Snowflake, and PostgreSQL — and connects directly to the tools data teams already rely on, such as dbt and Git. REST API support makes it straightforward to plug Quest Data Modeler into your CI/CD pipelines, catalog and governance tools, and broader data product workflows. The goal is simple: your modeling layer should reinforce the rest of your stack, not fight it.

Yes. Quest Data Modeler is a native component of the Quest Trusted Data Management Platform (QTDMP), a unified solution that spans data modeling, governance, catalog, and data quality. You can adopt Quest Data Modeler as a best-in-class standalone modeling tool, or use it as the modeling backbone of a comprehensive enterprise data management strategy through QTDMP. That flexibility means you can start where it makes sense for your organization and expand into adjacent capabilities as your needs evolve — without changing tools, vendors, or integration architecture along the way.