DBMS

Found on theregister.com In the past few weeks in May and June 2025 Snowflake and Databricks with their acquisions of Neon and Crunchy Data followed Microsoft with their acquisition of Citus Data in 2019. Immediately after that on their Data+AI Summit Databricks launched the Lakebase transactional database service which was developed by Neom and is based on the PostgreSQL open source DBMS technology and stores all of the data on cloud blob storage:

Found on thegerister.com. DuckDB proposed DuckLake as a standard for metadata and catalogs, claims it simplifies lakehouses by using a standard SQL database for all metadata, instead of complex file-based systems, while still storing data in open formats like Parquet. It will be seen, if this makes them more reliable, faster, and easier to manage. The corresponding blog post is worth reading, because it gives a systematic view on the high level data architectures of DuckLake, Databricks, IceBerg, BigQuery and Snowflake.

Found on blocksandfiles.com " Two US academics have written a paper explaining and clarifying what has happened with database architectures, data models, and query languages. “What Goes Around Comes Around… And Around…” is a 17-page opus that repays reading and study with a terrific understanding of how NoSQL came about, what a document database consists of, how text search engines from the 1960s prefigured today’s vector databases, and many other valuable insights. "