Data platform modernization

Snowflake to Databricks Migration

Modernize Snowflake data, SQL, Snowpark, and analytics workloads on the Databricks Lakehouse Platform with a plan grounded in your estate.

Assess migration patterns, move approved data into Delta Lake, modernize pipelines and code, map governance to Unity Catalog, and validate business outputs before cutover. Databricks is not automatically a better or less expensive fit for every workload.

Explore Databricks Lakebridge

Workload compatibility, automation coverage, cost, and timing depend on the source environment and current platform support.

Migration patterns

Choose the right Snowflake-to-Databricks approach

A migration can combine assessment tooling, federation, connector-based ingestion, staged files, and phased coexistence. Select a pattern for each workload rather than forcing one method across the estate.

Lakebridge assessment and conversion

Evaluate Databricks Lakebridge for profiling, analysis, supported SQL conversion, and reconciliation tasks.

Lakebridge is an accelerator, not a guarantee of automatic conversion. Check the current Databricks Labs project maturity, source coverage, target support, and remediation requirements.

Lakehouse Federation

Use governed query access to selected Snowflake data while workloads are assessed or migrated in phases.

Federation is access to external data, not physical migration. Query federation and catalog federation for eligible Snowflake-managed Iceberg tables have different requirements; benchmark source pushdown, connectivity, and permissions.

Snowflake Spark connector

Use the Databricks Runtime Snowflake Spark data source connector for supported programmatic reads and writes.

Validate runtime and compute support, authentication, network paths, pushdown, partitioning, write behavior, retries, and incremental-load semantics.

Bulk unload to cloud object storage

Use Snowflake COPY INTO location to create staged files, then ingest approved data into Delta Lake.

Test file format, partitioning, compression, null and empty-string handling, timestamps, nested data, schema evolution, encryption, and storage access.

Hybrid migration and coexistence

Keep selected Snowflake workloads in place temporarily while approved data products and consumers move to Databricks.

Define data ownership, freshness, security boundaries, consumer routing, cost monitoring, and retirement criteria.

Lakehouse Federation is for querying external data, not full physical migration. The Spark connector supports specific data movement patterns, not automatic workload conversion. Lakebridge does not eliminate the need to review and test converted code.

Workload mapping

Snowflake components and potential Databricks paths

These are assessment starting points, not guaranteed one-to-one conversions. Confirm current feature support and test target behavior for each workload.

Snowflake componentPotential Databricks destination or patternMigration consideration
Snowflake database and schemaUnity Catalog catalog and schemaDefine naming, ownership, permissions, and workspace access.
Managed tablesDelta Lake managed or external tablesChoose bulk or incremental ingestion and establish schema and history strategy.
Snowflake-managed Iceberg tablesUnity Catalog catalog federation for eligible tables, or Delta migrationValidate object-storage location, Iceberg metadata, and current federation limitations.
Views and secure viewsDatabricks SQL views or governed data productsTranslate SQL and recreate access semantics; validate effective permissions.
Virtual warehousesDatabricks SQL warehouses and/or Spark computeCompute and billing models differ; size from workload benchmarks, not a direct mapping.
Snowpipe and Snowpipe StreamingAuto Loader, supported connectors, or a streaming ingestion designPreserve latency, delivery, deduplication, checkpoint, and recovery requirements.
Streams and TasksDelta Change Data Feed where suitable and Lakeflow JobsRecreate change capture, dependencies, schedules, retries, and idempotency.
Dynamic TablesLakeflow Spark Declarative Pipelines, jobs, or managed Delta transformationsRebuild refresh and dependency semantics; select the target by workload behavior.
Snowpark Python, Java, and ScalaPySpark, Spark SQL, Scala, notebooks, jobs, or supported application servicesReview APIs, packages, runtime, session patterns, and distributed execution behavior.
Roles, grants, masking, and row access policiesUnity Catalog privileges, identities, governed views, and supported row/column controlsRecreate effective access and test with representative identities; role names alone do not migrate security.
BI and application consumersDatabricks SQL endpoints, Delta data products, and updated connectionsRepoint consumers in waves and validate semantic models, measures, refresh, and access.

Lakehouse target

Design the Databricks target around workload needs

Select platform capabilities according to governance, transformation, query, latency, cloud, and operational requirements.

Unity Catalog

Plan catalogs, schemas, ownership, identities, storage credentials, external locations, permissions, lineage, and audit according to supported capabilities.

Delta Lake

Design governed Delta tables for batch and streaming data products, with schema, history, file layout, and maintenance requirements tested.

Databricks SQL

Assess SQL warehouses, curated views and marts, BI connectivity, query behavior, concurrency, and workload isolation.

Spark and notebooks

Modernize suitable Snowpark and transformation logic using supported Spark APIs, PySpark, Spark SQL, Scala, and managed libraries.

Lakeflow Jobs and pipelines

Recreate scheduling, dependencies, retries, monitoring, and batch or streaming pipeline behavior using appropriate supported patterns.

Ingestion and federation

Evaluate Auto Loader, supported connectors, the Snowflake Spark connector, Lakehouse Federation, and staged cloud files per source and workload.

Delivery approach

A phased migration framework

  1. 1. Discover the Snowflake estate

    Inventory databases, schemas, tables, Iceberg, views, SQL, stored procedures, UDFs, Snowpark, warehouses, ingestion, orchestration, security, BI consumers, and dependencies. Baseline data volumes, changes, query patterns, SLAs, and costs.

  2. 2. Classify workloads and choose patterns

    Decide what to migrate, federate temporarily, redesign, retain, or retire. Select Lakebridge, Spark connector, staged unload, federation, or a combined approach by workload.

  3. 3. Design the Databricks target

    Define Unity Catalog, identities, storage, networking, compute, Delta Lake data products, workspace boundaries, operations, and BI connectivity.

  4. 4. Run a representative proof of concept

    Test representative tables, semi-structured types, SQL, Snowpark, incremental ingestion, security, performance, and data reconciliation. Use findings to refine scope and estimates.

  5. 5. Migrate data and modernize code in waves

    Load historical data, implement change capture and ingestion, convert or rewrite SQL and procedures, modernize Snowpark, and rebuild orchestration with appropriate Databricks patterns.

  6. 6. Validate, cut over, and stabilize

    Compare source and target data and business outputs, run parallel workloads where appropriate, obtain business-owner sign-off, redirect consumers, and retain agreed rollback options.

Estate assessment

What to prepare for a migration assessment

An inventory helps establish scope, sequencing, and the proof of concept. Gather what is available; never send secrets or production data through a website form.

  • Snowflake account, cloud, region, database, schema, table type, volume, growth, and change-rate inventory.
  • Views, materialized views, SQL, procedures, UDFs, Snowpark code, packages, and dependencies.
  • Warehouse sizes, schedules, query history, Snowpipe, Streams, Tasks, Dynamic Tables, stages, and orchestration.
  • Data types, semi-structured columns, Iceberg metadata, file formats, and storage integrations.
  • Roles, grants, masking, row access rules, network controls, shares, and regulatory requirements.
  • BI reports, semantic models, applications, SLAs, data retention, cutover windows, and rollback expectations.

Common questions

Snowflake to Databricks migration FAQs

Can Databricks migrate an entire Snowflake environment automatically?

No. Tools such as Lakebridge may help with assessment and supported conversion patterns, but Snowflake objects, SQL, procedures, Snowpark, orchestration, security, and downstream consumers require workload-specific review, remediation, and testing.

Can Databricks query Snowflake without copying data?

Databricks Lakehouse Federation supports querying external Snowflake data for appropriate workloads. This provides federated access; it does not physically move the data. Benchmark supported pushdown, permissions, connectivity, and performance.

Can Databricks access Snowflake Iceberg tables?

Databricks documents catalog federation for eligible Snowflake-managed Iceberg tables. Eligibility depends on storage and metadata requirements. Verify current limitations for the specific table and cloud environment.

What is Lakebridge?

Lakebridge is a Databricks Labs migration toolkit with capabilities described for profiling, analysis, SQL conversion, and reconciliation. Confirm current project status, source coverage, supported targets, and support expectations before relying on it.

How do I migrate Snowpark Python to Databricks?

Inventory Snowpark APIs, packages, UDFs, procedures, and session/data-access assumptions. Rebuild suitable logic with PySpark, Spark SQL, notebooks, jobs, or supported libraries, then regression-test outputs and distributed behavior.

How should Snowflake Streams and Tasks be replaced?

Assess change-capture, scheduling, dependency, retry, and idempotency behavior. Suitable target patterns may use Delta Change Data Feed, Lakeflow Jobs, pipelines, or other supported ingestion and orchestration services. Snowflake object semantics do not transfer automatically.

What happens to Snowpipe and Dynamic Tables?

Assess Snowpipe and Snowpipe Streaming separately for latency and delivery requirements; potential targets include Auto Loader or supported streaming patterns. Dynamic Table logic may be rebuilt with Lakeflow Spark Declarative Pipelines, jobs, or managed Delta transformations.

Does Snowflake security automatically transfer to Unity Catalog?

No. Map identities, roles, grants, masking, row access behavior, storage permissions, and network controls to the target model. Test effective access with representative users and service identities.

Will a Snowflake-to-Databricks migration reduce costs?

Savings are not guaranteed. Compare Snowflake compute, cloud services, storage, ingestion, and transfer with Databricks compute, cloud infrastructure, object storage, networking, BI, migration, and parallel-run costs using representative workloads.

How long does migration take?

Duration depends on data volumes, object and workload counts, SQL and Snowpark complexity, dependencies, governance, testing, and cutover constraints. An estate inventory and representative pilot provide a more reliable estimate.

Office Solution AI Labs

Discuss your Snowflake-to-Databricks migration

A migration engagement can cover estate assessment, workload classification, target architecture, data and code migration, pipeline redesign, governance, BI transition, reconciliation, cutover, and enablement. Confirm delivery scope, tools, staffing, timing, and commercial terms for your environment.

No Databricks partnership, certification, marketplace listing, automated coverage, customer outcome, fixed timeline, or savings are implied by this service description.

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