Please use the form below to provide your feedback. Because your feedback is valuable to us, the information you submit in this form is recorded in our issue tracking system (JIRA), which is publicly available. You can track the status of your feedback using the ticket number displayed in the dialog once you submit the form.

Set Up an External Data Source

  • Capella Columnar
  • how-to
March 23, 2025
+ 12
To provide query access to data that resides in external object storage, you create an external link and associate it with an external collection.

Supported External Sources

Capella Columnar supports external links to data in Amazon S3 and GCS. This data remains in the storage bucket—​Couchbase Columnar does not copy it into a collection. You can query Delta tables residing in S3 buckets or GCS buckets that are in one of the following formats:

  • JSON

  • CSV

  • TSV

  • Parquet

  • Avro