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Add your first table

What you'll accomplish: Upload a CSV or Excel file into the Data lake as a bronze table.

Before you start​

  • File in .csv or .xlsx format
  • Open Data in the Heimdall app

Steps​

  1. Go to Data in the sidebar.
  2. Click Add data.
  3. Choose Structured ingest (CSV/Excel).
  4. Select your file and enter a table name you'll recognize later.
  5. Wait for upload to finish. The table appears under Bronze in the left catalog.
  6. Click the table to preview rows and column types.

What happens next​

Common questions​

My file is huge — any limits?
Check current limits in the upload dialog. Very wide or messy files may need cleanup in silver before gold publish.

Can I add more files later?
Yes. Each upload creates a separate bronze table. Join them in silver if they belong together.