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Open Data Infrastructure in practice: unlock your dbt projects with Apache Iceberg and mesh

Fivetran + dbt Labs demoed a real cross-platform dbt Mesh running on Apache Iceberg, no data copies required.

Recorded at dbt Summit · 2026Breakout session archive
01

Overview

Breakout session · 2026

Most dbt projects face vendor lock-in from storage, SQL dialect, and query-engine constraints. Shows how dbt with Apache Iceberg, dbt v2's multi-dialect capabilities, and DuckDB innovations lets organizations operate across multiple platforms and engines for flexibility, collaboration, and cost savings.

What you'll take away

  1. 01

    A new catalogs.yml v2 spec decouples dbt's Iceberg configuration from any one warehouse, letting a project define where its tables live independently of who writes to them.

  2. 02

    The live demo proved the concept across three teams and two warehouses, Snowflake and Databricks, sharing one set of Iceberg tables through catalog federation, no data copying required.

  3. 03

    Fivetran + dbt Labs’ new Lake Compute lets specific dbt models run on a cost-optimized engine, like DuckDB, than the rest of the project, configured with a simple adapter setting instead of a platform migration.

02

Session speakers

02 speakers
  • Jack Lowery

    Fivetran
  • Anna Lee

    dbt Labs