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Vol:18 No:1 → The Key to Effective UDF Optimization: Before Inlining, First Perform Outlining vldb.org/pvldb/vol18/p1…

It's 2025 and there are people still proposing terrible ideas for using blockchain databases. Why would anyone want to use a P2P BFT database to track disease outbreaks? Just put it in a centralized DBMS. Oh wait, they already do that...

Congratulations to Ugur Cetintemel, Stan Zdonik, and the six Brown CS alums who have just received a CIDR Test of Time Award for their 2025 paper ("The Design of the Borealis Stream Processing Engine")! Learn more at Brown CS News: cs.brown.edu/news/2025/02/1…

Today's SQL or Death Seminar Speaker: The Germans (Viktor Leis + Thomas Neumann) from TUM Database Group want to replace SQL with their proposed SaneIR for relational query execution. Zoom talk open to public at 4:30pm ET. YouTube video available after: db.cs.cmu.edu/events/sql-dea…

Today's SQL or Death Seminar Speaker: Yash Mayya + Gonzalo Ortiz from StarTree will discuss how to support multiple query languages at the same time in Apache Pinot. Zoom talk open to public at 4:30pm ET. YouTube video available after: db.cs.cmu.edu/events/sql-dea…

I'm not a coauthor on this, but CMU Database Group alum Huanchen Zhang's latest paper is a big deal. Robust Predicate Transfer is sideways information passing on pure meth. DBMS reads all inputs first to build Bloom filters, then figures out the best join ordering automatically.

You should join us today because this is going to be an excellent talk. Jeff has worked on databases at Google since 2005 (including F1, Mesa, Dremel). Talk is based on their VLDB'24 paper: research.google/pubs/sql-has-p…

Today's SQL or Death Seminar Speaker: lloyd tabb will present the Malloy Data query language that seeks to replace SQL for data analysis. Zoom talk open to public at 4:30pm ET. YouTube video available after: db.cs.cmu.edu/events/sql-dea…

Today's SQL or Death Seminar Speaker: Tobias Brandt (@tobiasbrandt.bsky.social) will present the PRQL replacement for SQL. Zoom talk open to public at 4:30pm ET. YouTube video available after: db.cs.cmu.edu/events/sql-dea…

William Zhang and Renfei Zhou, both Ph.D. students in Carnegie Mellon University Computer Science Department, have been selected as 2025 MongoDB Ph.D. Fellows. bit.ly/4l9QsAj

Join us today for the follow-up to Bryan Cantrill + Adam Leventhal's October 2024 podcast about OxQL in response to my complaint about yet another query language (skip to 4:18) youtu.be/RTsXM3kcAaI?t=… Original tweet: x.com/andy_pavlo/sta…

Mosha Pasumansky, CTO Firebolt, delivered a sharp 10-min talk to CMU Database Group students fresh off learning about transaction processing. Don’t miss Mosha's description of their WAL indexing mechanism. youtu.be/i6yz3Xm3eOg

Variant is coming soon to Apache Parquet in Rust . Huge thanks to CMU Database Group for getting the process started in ApacheArrow with a great draft PR to kick off Variant support: github.com/apache/arrow-r… 🙏🙏🙏 Thank you

Thank you to @NVIDIA for gifting our Catalyst Research Group the latest NVIDIA DGX B200! The B200 platform will greatly accelerate our research in building next-generation ML systems.🚀 #NVIDIADGX #DGXB200 NVIDIA Data Center

New blog post on the mental model I've used when working through complex or confusing papers on transactional systems. transactional.blog/blog/2025-deco…

Today's SQL or Death Seminar Speaker: Michael Sullivan (PhD'17) will present Gel's "graph-relational" data model and query language. Zoom talk open to public at 4:30pm ET. YouTube video available after: db.cs.cmu.edu/events/sql-dea…

✨ Grateful and excited to share what’s ahead. I’ll be joining University of Utah as an Assistant Professor starting Fall 2026, as part of the UtahDB Lab! I'll continue working data summaries and the integration of LLMs and DBs. Before that, I’ll be spending a year back at Snowflake❄️.

I have been putting off this blog post on the CMU 15-721 Advanced Database Systems 2024 course for so long now... Anyhow, it's now the time for me to post it! If you want to learn about my experience of going through this amazing program by Andy Pavlo (@andypavlo.bsky.social), just ready my blog!