# Public bibliography: 91–120

Revision 1 (11 October 2026) · Modeled snapshot · through 8 October 2026.

All figures are research-informed estimates of analytical activity. Significant errors may remain; decimal places do not imply measurement precision.

The research draws on product histories and technical documentation. These sources support dates, architecture, and availability; the usage percentages remain our estimates.

- [Cross-account federation arrived in November 2021](https://aws.amazon.com/about-aws/whats-new/2021/11/amazon-athena-announces-cross-account-federated-query/)
- [Crunchy's Parquet query example](https://www.crunchydata.com/blog/postgres-materialized-views-from-parquet-in-s3-with-zero-etl)
- [current connector matrix](https://docs.aws.amazon.com/athena/latest/ug/federated-queries.html)
- [Database of Databases: dBASE](https://dbdb.io/db/dbase)
- [Database of Databases: FileMaker](https://dbdb.io/db/filemaker)
- [Database of Databases: Firebolt](https://dbdb.io/db/firebolt)
- [Database of Databases: FoxPro](https://dbdb.io/db/foxpro)
- [Database of Databases: Informix](https://dbdb.io/db/informix)
- [Databricks acquisition announcement](https://www.prnewswire.com/news-releases/databricks-agrees-to-acquire-tabular-the-company-founded-by-the-original-creators-of-apache-iceberg-302163561.html)
- [Databricks August 2026 update](https://www.databricks.com/company/newsroom/press-releases/databricks-grows-80-yoy-surpasses-7b-revenue-run-rate-scales)
- [Databricks connector API](https://docs.databricks.com/aws/en/dev-tools/python-sql-connector)
- [Databricks convergence discussion](https://www.databricks.com/blog/unity-catalog-and-next-era-apache-icebergtm)
- [Databricks February 2021 announcement](https://www.databricks.com/company/newsroom/press-releases/databricks-raises-1-billion-series-g-investment-at-28-billion-valuation)
- [Databricks GA announcement](https://www.globenewswire.com/news-release/2015/06/15/1004388/0/en/databricks-announces-general-availability-of-its-cloud-platform-that-dramatically-simplifies-big-data-processing.html)
- [Databricks Iceberg documentation](https://docs.databricks.com/gcp/en/iceberg)
- [Databricks June 2024 release notes: predictive optimization](https://docs.databricks.com/aws/en/release-notes/product/2024/june)
- [Databricks June 2025 release notes: managed Iceberg](https://docs.databricks.com/aws/en/release-notes/product/2025/june)
- [Databricks May 2026 release notes: Iceberg](https://docs.databricks.com/gcp/en/release-notes/product/2026/may)
- [Databricks October 2023 release notes: predictive optimization](https://docs.databricks.com/aws/en/release-notes/product/2023/october)
- [Databricks predictive optimization](https://docs.databricks.com/aws/en/optimizations/predictive-optimization)
- [Databricks SQL launch](https://www.databricks.com/blog/2020/11/12/announcing-the-launch-of-databricks-sql.html)
- [Databricks table concepts](https://docs.databricks.com/aws/en/tables/tables-concepts)
- [Databricks table concepts](https://docs.databricks.com/gcp/en/tables/tables-concepts)
- [Databricks workspace administration and table maintenance](https://www.databricks.com/blog/2022/08/26/databricks-workspace-administration-best-practices-for-account-workspace-and-metastore-admins.html)
- [Databricks' December 2018 product notes](https://docs.databricks.com/aws/en/release-notes/product/2018/december)
- [DataFusion documentation](https://docs.vortex.dev/developer-guide/integrations/datafusion)
- [DataFusion donation](https://arrow.apache.org/blog/2019/02/04/datafusion-donation/)
- [DataFusion retrospective](https://datafusion.apache.org/blog/2024/05/07/datafusion-tlp/)
- [DataFusion table providers: ADBC](https://github.com/datafusion-contrib/datafusion-table-providers#adbc)
- [DataFusion’s role as a building block](https://datafusion.apache.org/blog/2024/01/19/datafusion-34.0.0/)

[Bibliography index](https://history.columnar.tech/sources.md)

---

[Markdown overview](https://history.columnar.tech/index.md) · [Interactive visualization](https://history.columnar.tech/) · [Methodology](https://history.columnar.tech/methodology.md) · [Terms of use](https://history.columnar.tech/terms.md)

© 2026 Columnar Technologies Inc.