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CSV via OneDrive to MotherDuck integration

Connect CSV via OneDrive to MotherDuck and automatically sync your file storage data. Weld extracts data from CSV via OneDrive, loads it into MotherDuck, and lets you transform the data using SQL or dbt, no custom scripts required.

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4.8 on G2
CSV via OneDriveSource
WeldWeld
MotherDuckWarehouse
Weld · New sync
CSV via OneDriveSourceCSV via OneDriveConnected
Tables to sync

Your own tables, picked when you set up the sync.

  • Extract
  • Load
  • Keep in sync
MotherDuckDestinationMotherDuckReady
onedrive__csv schema
  • onedrive__csv.Synced
  • onedrive__csv.Syncing
  • onedrive__csv.Synced
  • onedrive__csv.Synced

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How it works

How to set up CSV via OneDrive to MotherDuck in Weld.
In the app, with the API or an agent.

API guideMCP docs
Weld · New CSV via OneDrive sync
CSV via OneDriveNew connectionCSV via OneDriveAuthorised
Connection nameonedrive__csv
AuthorizeOpens CSV via OneDrive to grant read access
Use cases

Why sync CSV via OneDrive to MotherDuck?
Ready for analysis.

Centralizing your CSV via OneDrive data in MotherDuck lets you join it with other data sources for cross-platform analytics and deeper insights.

Build reliable dashboards and reports by querying CSV via OneDrive data directly in MotherDuck using SQL or your preferred BI tool.

  • Centralized data warehouse

    Bring CSV via OneDrive data into MotherDuck alongside other sources to create a single source of truth for your organization.

  • Automated reporting

    Replace manual exports and spreadsheet-based reporting with automated pipelines from CSV via OneDrive to MotherDuck. Connect BI tools like Looker, Metabase, or Power BI.

Data

What data can you sync?
From CSV via OneDrive to MotherDuck.

Weld syncs the objects the CSV via OneDrive connector exposes into MotherDuck, and you choose which tables and fields to include. The connector's docs list what is available.

    Weld MCP server

    Ask your agent.
    It queries MotherDuck for you.

    Connect Claude, Cursor, ChatGPT or your own agent to Weld over MCP. It reads the CSV via OneDrive context, finds the tables it needs and runs the query in MotherDuck.

    Set up the MCP serverClaudeCursorChatGPTGemini
    Claude CodeOpus 5
    >

    Which CSV via OneDrive tables do we have in MotherDuck, and which is the largest?

    Looking up what Weld has synced from CSV via OneDrive.

    ●weld·search_available_references
    ⎿raw.onedrive__csv.*
    tables, columns and freshness
    ●weld·get_reference_schema
    ⎿columns, types and nullability
    ●weld·run_query
    ⎿select count(*) from {{raw.onedrive__csv.…}}
    submitted
    ●weld·get_query_status
    ⎿DONE
    ●weld·get_query_result
    ⎿rows returned
    ✓Answered from CSV via OneDrive data in MotherDuck
    >Ask about your CSV via OneDrive data
    Under the hood

    Technical considerations.
    What to expect.

    Incremental syncing
    Weld uses incremental syncing where supported by the CSV via OneDrive API, loading only new and updated records to minimize data transfer and warehouse costs.
    Schema handling
    Weld automatically manages schema changes. If CSV via OneDrive adds new fields, they're detected and added to the corresponding MotherDuck tables.
    Data freshness
    Sync frequency depends on your Weld plan. Most connectors support schedules from every 5 minutes up to daily intervals.
    Security
    All data is encrypted in transit (TLS) and at rest. Weld is SOC 2 Type II compliant and supports IP whitelisting for database connections.
    Resources

    Keep reading.
    Guides, docs and schema.

    Documentation

    MotherDuck setup guide

    How to connect MotherDuck to Weld, step by step.

    Connector

    CSV via OneDrive connector

    Everything Weld does with CSV via OneDrive.

    Connector

    MotherDuck connector

    Everything Weld does with MotherDuck.

    FAQ

    Common questions.
    About CSV via OneDrive to MotherDuck.

    Start syncing CSV via OneDrive to MotherDuck.

    Set up your CSV via OneDrive data pipeline in minutes. No credit card required. Free for 14 days.

    CSV via OneDriveSource
    WeldWeld
    MotherDuckWarehouse
    Start for freeTalk to us
    Related

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    More with CSV via OneDrive and MotherDuck.

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