> For the complete documentation index, see [llms.txt](https://docs.rootcause.ai/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.rootcause.ai/data-sources-and-connectors.md).

# Data Sources & Connectors

- [Sources Overview](https://docs.rootcause.ai/data-sources-and-connectors/sources-overview.md): What sources are, where they live, and every way data gets into RootCause.
- [Local Uploads](https://docs.rootcause.ai/data-sources-and-connectors/local-uploads.md): Upload files from your computer, and what each file kind becomes.
- [Excel & Spreadsheets](https://docs.rootcause.ai/data-sources-and-connectors/local-uploads/excel-workbooks.md): How Excel uploads become workbook sources, and how to extract tables that survive re-upload.
- [Documents](https://docs.rootcause.ai/data-sources-and-connectors/local-uploads/document-uploads.md): Document sources, and extracting structured tables from contracts and reports.
- [Foundational Ontologies](https://docs.rootcause.ai/data-sources-and-connectors/foundational-ontologies.md): Curated, versioned packages of a prebuilt ontology plus licensed data, installed in one step.
- [Connectors](https://docs.rootcause.ai/data-sources-and-connectors/connectors.md): Live links to databases, warehouses, cloud storage and APIs, and the six import modes.
- [PostgreSQL](https://docs.rootcause.ai/data-sources-and-connectors/connectors/postgresql.md)
- [MySQL](https://docs.rootcause.ai/data-sources-and-connectors/connectors/mysql.md)
- [ClickHouse](https://docs.rootcause.ai/data-sources-and-connectors/connectors/clickhouse.md)
- [MongoDB](https://docs.rootcause.ai/data-sources-and-connectors/connectors/mongodb.md)
- [Snowflake](https://docs.rootcause.ai/data-sources-and-connectors/connectors/snowflake.md)
- [BigQuery](https://docs.rootcause.ai/data-sources-and-connectors/connectors/bigquery.md)
- [Amazon S3](https://docs.rootcause.ai/data-sources-and-connectors/connectors/s3.md)
- [Azure Data Lake](https://docs.rootcause.ai/data-sources-and-connectors/connectors/azure-data-lake.md)
- [Google Cloud Storage](https://docs.rootcause.ai/data-sources-and-connectors/connectors/google-cloud-storage.md)
- [Google Drive](https://docs.rootcause.ai/data-sources-and-connectors/connectors/google-drive.md)
- [REST API](https://docs.rootcause.ai/data-sources-and-connectors/connectors/rest-api.md)