CMU Database Group
@db.cs.cmu.edu
Carnegie Mellon Database Research Group https://db.cs.cmu.edu/
Prof. Andy Pavlo Wins the 2026 IEEE TCDE Ramez Elmasri Outstanding Database Education Award: db.cs.cmu.edu/2026/05/prof...
Prof. Andy Pavlo Wins 2026 IEEE TCDE Ramez Elmasri Outstanding Database Education Award - Carnegie Mellon Database Group
Pittsburgh, PA – The Carnegie Mellon Database Research Group is proud to... Read More +
db.cs.cmu.edu
Today's Postgres vs. World Seminar Speaker: Dr. Xiangyao Yu (@xiangyaoyu.bsky.social) will present the architecture of the Sirius GPU-native database system. Zoom talk open to public at 4:30pm ET. YouTube video available after: db.cs.cmu.edu/events/pg-vs...
Sirius: A GPU-Native SQL Engine (Xiangyao Yu) - Carnegie Mellon Database Group
GPUs have evolved into powerful, cost-efficient engines for general-purpose parallel compute. This... Read More +
db.cs.cmu.edu
Today's Postgres vs. World Seminar Speaker: Steve Schirripa (MSE'00) will present how @villagesql.bsky.social is injecting new life into MySQL via extensions. Zoom talk open to public at 4:30pm ET. YouTube video available after: db.cs.cmu.edu/events/pg-vs...
The Extensibility Tax: Decisions, Principles, and Lessons from a Year of Teaching MySQL New Tricks (Steve Schirripa) - Carnegie Mellon Database Group
What does it take to add custom data types and indexes to... Read More +
db.cs.cmu.edu
Today's Postgres vs. World Seminar Speaker: Sugu Sougoumarane (ex-Vitess/PlanetScale) will present the architecture of @supabase.com's Multigres horizontal sharding system for Postgres. Zoom talk open to public at 4:30pm ET. YouTube video available after: db.cs.cmu.edu/events/pg-vs...
Multigres: Bringing Horizontal Scaling and Enterprise Operations to PostgreSQL (Sugu Sougoumarane) - Carnegie Mellon Database Group
Multigres is an adaptation of Vitess for PostgreSQL that enables horizontal scaling... Read More +
db.cs.cmu.edu
Today's Postgres vs. World Seminar Speaker: Tyler F. Cloutier will explain why and how they embedded a MMORPG game engine inside of the @spacetimedb.bsky.social database system. Zoom talk open to public at 4:30pm ET. YouTube video available after: db.cs.cmu.edu/events/pg-vs...
Inverting the Backend: Why We Built our MMORPG Inside a Database (Tyler Cloutier) - Carnegie Mellon Database Group
This talk explores what happens when you move all the infrastructure and... Read More +
db.cs.cmu.edu
Today's Postgres vs. World Seminar Speaker: Dr. Marcel Kornacker will present the design & implementation of the Pixeltable multi-modal DBMS based on PostgreSQL. Zoom talk open to public at 4:30pm ET. YouTube video available after: db.cs.cmu.edu/events/pg-vs...
Pixeltable: A DBMS for Multimodal AI Applications (Marcel Kornacker) - Carnegie Mellon Database Group
Pixeltable is a novel OLTP DBMS specifically designed for multimodal AI applications.... Read More +
db.cs.cmu.edu
Today's Postgres vs. World Seminar Speaker: Filip Obradovic will present the wild architecture of TonicDB. It runs directly on hardware without an OS via a shim layer / unikernel. Zoom talk open to public at 4:30pm ET. YouTube video available after: db.cs.cmu.edu/events/pg-vs...
TonicDB: Databases without an OS? Meet QuinineHM (Filip Obradovic) - Carnegie Mellon Database Group
We spent years optimizing database internals, only to have our performance eaten... Read More +
db.cs.cmu.edu
Today's Postgres vs. World Seminar Speaker: Hari Krishna Sunder will present the architecture of the @yugabytedb.bsky.social distributed DBMS based on Postgres. Zoom talk open to public at 4:30pm ET. YouTube video available after: db.cs.cmu.edu/events/pg-vs...
YugabyteDB: Distributed PostgreSQL for Modern Apps (Hari Krishna Sunder) - Carnegie Mellon Database Group
YugabyteDB is an AI-ready, multimodal, distributed PostgreSQL database. It effectively bridges the... Read More +
db.cs.cmu.edu
Today's Postgres vs. World Seminar Speaker: Simon Eskildsen will present the architecture of the @turbopuffer.bsky.social search engine. Zoom talk open to public at 4:30pm ET. YouTube video available after: db.cs.cmu.edu/events/pg-vs...
turbopuffer: Object Storage-native Database for Search (Simon Eskildsen) - Carnegie Mellon Database Group
turbopuffer is an object storage-native search engine. It puffs data into a... Read More +
db.cs.cmu.edu
Today's Postgres vs. World Seminar Speaker: Adam Prout will present the architecture of Microsoft Azure HorizonDB database service based on PostgreSQL. Zoom talk open to public at 4:30pm ET. YouTube video available after: db.cs.cmu.edu/events/pg-vs...
HorizonDB: Co‑Designing PostgreSQL and Azure for Cloud‑Native OLTP (Adam Prout) - Carnegie Mellon Database Group
Azure HorizonDB is a new PostgreSQL service that improves the OLTP performance... Read More +
db.cs.cmu.edu
Today's Postgres vs. World Seminar Speaker: Marek Galovic will present the TopK document + vector search engine system. Zoom talk open to public at 4:30pm ET. YouTube video available after: db.cs.cmu.edu/events/pg-vs...
TopK: Billion-Scale Hybrid Retrieval from the Ground Up (Marek Galovic) - Carnegie Mellon Database Group
TopK is a search engine built from the ground up for unstructured... Read More +
db.cs.cmu.edu
Today's Postgres vs. World Seminar Speaker: Marc Brooker (@marcbrooker.bsky.social) will present the architecture of Amazon's Aurora DSQL Postgres-compatible serverless OLTP DBMS. Zoom talk open to public at 4:30pm ET. YouTube video available after: db.cs.cmu.edu/events/pg-vs...
Aurora DSQL: Serverless, Scalable, Global OLTP (Marc Brooker) - Carnegie Mellon Database Group
Amazon Aurora DSQL is a distributed SQL database, designed to make it... Read More +
db.cs.cmu.edu
Today's Postgres vs. World Seminar Speaker: Tyler Akidau + Adam Symanski will present the architecture of @redpanda.com's Oxla database system. Zoom talk open to public at 4:30pm ET. YouTube video available after: db.cs.cmu.edu/events/pg-vs...
Redpanda Oxla or: Why Your Hashmaps are Secretly Wrecking Your Performance (Tyler Akidau + Adam Symanski) - Carnegie Mellon Database Group
In this talk, we’ll first give an overview of the Oxla analytical... Read More +
db.cs.cmu.edu
Today's Future Data Systems Seminar Speaker: Jark Wu from AlibabaCloud will present an overview of Apache Fluss. Zoom talk open to public at 4:30pm ET. YouTube video available after: db.cs.cmu.edu/events/futur...
[Future Data] Apache Fluss: A Streaming Storage for Real-Time Lakehouse - Carnegie Mellon Database Group
Modern data lakehouses promise unified batch and streaming processing, yet their storage... Read More +
db.cs.cmu.edu
Today's Future Data Systems Seminar Speaker: Prashant Singh from Snowflake will present the Apache Polaris re-implementation of the Iceberg REST catalog API. Zoom talk open to public at 4:30pm ET. YouTube video available after: db.cs.cmu.edu/events/futur...
[Future Data] From Storage Formats to Open Governance: The Evolution to Apache Polaris - Carnegie Mellon Database Group
As organizations build their data lakehouses on Apache Iceberg, the primary challenge... Read More +
db.cs.cmu.edu
Today's Future Data Systems Seminar Speaker: Jeremy Taylor (@refset.bsky.social) will present the architecture of the XTDB (@xtdb.com) time-traveling database system. Zoom talk open to public at 4:30pm ET. YouTube video available after: db.cs.cmu.edu/events/futur...
[Future Data] Reconstructing History with XTDB - Carnegie Mellon Database Group
XTDB is a SQL database that challenges long held assumptions about how... Read More +
db.cs.cmu.edu
Today's Future Data Systems Seminar Speaker: Benjamin Wagner🇩🇪 will present @firebolthq.bsky.social's native support for low-latency queries on Apache Iceberg tables. Zoom talk open to public at 4:30pm ET. YouTube video available after: db.cs.cmu.edu/events/futur...
[Future Data] Why Powering User Facing Applications on Iceberg is Hard - Carnegie Mellon Database Group
Firebolt is a Postgres compliant analytical database built for low-latency, high-concurrency analytics.... Read More +
db.cs.cmu.edu
Today's Future Data Systems Seminar Speaker: Cheng Chen will present how @mooncakelabs.bsky.social extends PostgreSQL to support Apache Iceberg. Zoom talk open to public at 4:30pm ET. YouTube video available after: db.cs.cmu.edu/events/futur...
[Future Data] Mooncake: Real-Time Apache Iceberg Without Compromise - Carnegie Mellon Database Group
Apache Iceberg is great for large-scale analytics, but it was built for... Read More +
db.cs.cmu.edu
Today's Future Data Systems Seminar Speaker: Ryan Johnson (CMU PhD'10) will present @deltalakeoss.bsky.social's internal architecture and how it supports multi-statement transactions. Zoom talk open to public at 4:30pm ET. YouTube video available after: db.cs.cmu.edu/events/futur...
[Future Data] Multi-statement Transactions in the Databricks Lakehouse - Carnegie Mellon Database Group
The data lake architecture originally focused on self-standing tables in cloud storage,... Read More +
db.cs.cmu.edu
Today's Future Data Systems Seminar Speaker: Joyo Victor will present @singlestore.com's "Bottle Service" meta-data system that supports database branching, change-data-capture, and Apache Iceberg. Zoom talk open to public at 4:30pm ET. YouTube video available after: db.cs.cmu.edu/events/futur...
[Future Data] Storage Metadata for Modern Cloud Databases - Carnegie Mellon Database Group
In modern database architecture, separating compute from storage unlocks powerful capabilities. Our... Read More +
db.cs.cmu.edu
Today's Future Data Systems Seminar Speaker: Ian Cook (@ian.columnar.tech) will present @columnar.tech's work on Apache Arrow's database connectivity API (ADBC). ADBC is available in modern DBMSs. Zoom talk open to public at 4:30pm ET. YouTube video available after: db.cs.cmu.edu/events/futur...
[Future Data] Where We're Going, We Don't Need Rows: Columnar Data Connectivity with ADBC - Carnegie Mellon Database Group
ADBC (Arrow Database Connectivity) is Apache Arrow’s answer to ODBC and JDBC:... Read More +
db.cs.cmu.edu
Today's Future Data Systems Seminar Speaker: Will Manning (@willmanning.com) will present @spiraldb.com's Vortex file format. Vortex is now a @linuxfoundation.org project. Zoom talk open to public at 4:30pm ET. YouTube video available after: db.cs.cmu.edu/events/futur...
[Future Data] Vortex: LLVM for File Formats - Carnegie Mellon Database Group
Apache Parquet revolutionized columnar storage after its initial release in 2013, but... Read More +
db.cs.cmu.edu
Today's Future Data Systems Seminar Speaker: Jordan Tigani (@jrdntgn.bsky.social) will present how @motherduck.com supports modern workloads with DuckLake. Zoom talk open to public at 4:30pm ET. YouTube video available after: db.cs.cmu.edu/events/futur...
[Future Data] DuckLake: Learning from Cloud Data Warehouses to Build a Robust "Lakehouse" - Carnegie Mellon Database Group
When building scalable data systems, it is easy to focus on the... Read More +
db.cs.cmu.edu
Today's Future Data Systems Seminar Speaker: Vinoth Chandar will present the internals of Apache Hudi and his work at Onehouse. Zoom talk open to public at 4:30pm ET. YouTube video available after: db.cs.cmu.edu/events/futur...
[Future Data] Apache Hudi: A Database Layer over Cloud Storage for Fast Mutations and Efficient Queries - Carnegie Mellon Database Group
Data lakes emerged as a way to store vast amounts of data... Read More +
db.cs.cmu.edu
Today's Future Data Systems Seminar Speaker: Russell Spitzer will present the internals of Apache Iceberg's query planner and execution engine. Zoom talk open to public at 4:30pm ET. YouTube video available after: db.cs.cmu.edu/events/futur...
[Future Data] An Extremely Technical Overview of how the Apache Iceberg™ Planning Implementation Actually Works - Carnegie Mellon Database Group
What are you trying to tell me? That I can read data... Read More +
db.cs.cmu.edu
Today's SQL or Death Seminar Speaker: Michael Sullivan (PhD'17) will present @geldata.com's "graph-relational" data model and query language to replace SQL. Zoom talk open to public at 4:30pm ET. YouTube video available after: db.cs.cmu.edu/events/sql-d...
[SQL Death] Gel: Replacing* SQL and Improving on the Relational Database Model - Carnegie Mellon Database Group
Gel (formerly EdgeDB) is a new database built around an evolution of... Read More +
db.cs.cmu.edu
Today's SQL or Death Seminar Speaker: Monty Widenius (creator of MySQL + MariaDB + MaxDB) will present @mariadb.bsky.social's new query optimizer architecture. Zoom talk open to public at 4:30pm ET. YouTube video available after: db.cs.cmu.edu/events/sql-d...
[SQL Death] MariaDB's Query Optimizer: A Multi-tool That Does Some Things Differently - Carnegie Mellon Database Group
MariaDB’s query optimizer stems from MySQL’s original implementation. It didn’t come from... Read More +
db.cs.cmu.edu
CMU-DB PhD student Will Zhang wins 2025 @mongodb.bsky.social PhD Fellowship for his research on autonomous database optimization and tuning: db.cs.cmu.edu/2025/04/will...
Will Zhang Wins 2025 MongoDB PhD Fellowship - Carnegie Mellon Database Group
Pittsburgh, PA – Carnegie Mellon University announced that Will Zhang, the #1... Read More +
db.cs.cmu.edu
Today's SQL or Death Seminar Speaker: Ben Naecker from @oxide.computer will explain why a hardware company decided to make a new query language (OxQL) because SQL wasn't good enough! Zoom talk open to public at 4:30pm ET. YouTube video available after: db.cs.cmu.edu/events/sql-d...
[SQL Death] OxQL: Oximeter Query Language - Carnegie Mellon Database Group
Oxide Computer Company builds private cloud computers–co-designing hardware and software that works... Read More +
db.cs.cmu.edu
Today's SQL or Death Seminar Speaker: @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-d...
[SQL Death] PRQL: Pipelined Relational Query Language - Carnegie Mellon Database Group
The past 50 years have seen a great evolution in programming languages... Read More +
db.cs.cmu.edu