Data Sources

Discover all the data formats Kotlin DataFrame can work with — including JSON, CSV, Excel, SQL databases, and more. Explore supported data sources in Kotlin DataFrame and how to integrate them into your data processing workflow. Explore supported data sources in Kotlin DataFrame and how to integrate them into your data processing workflow.

One of the key aspects of working with data is being able to read from and write to various data sources.
Kotlin DataFrame provides seamless support for a wide range of formats to integrate into your data workflows.
Below you'll find a list of supported sources along with instructions on how to read and write data using them.

JSON
- OpenAPI
CSV / TSV
Excel
Apache Arrow
Parquet
SQL:
- PostgreSQL
- MySQL
- Microsoft SQL Server
- SQLite
- H2
- MariaDB
- DuckDB
- Custom SQL Source
Custom integrations with unsupported data sources

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Data Sources

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