Data Sources

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.

API reference: dataframe-csv, dataframe-json, dataframe-excel, dataframe-arrow, dataframe-jdbc

• 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