CMU Database Group
@db.cs.cmu.edu
Carnegie Mellon Database Research Group
https://db.cs.cmu.edu/
https://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
November 10, 2025 at 12:24 PM
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...
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
November 3, 2025 at 1:46 PM
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...
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
October 27, 2025 at 11:39 AM
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...
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
October 20, 2025 at 11:38 AM
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...
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
October 13, 2025 at 11:10 AM
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...
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
October 6, 2025 at 11:55 AM
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...
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
September 29, 2025 at 11:37 AM
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...
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
September 22, 2025 at 11:28 AM
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...
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
April 21, 2025 at 1:12 PM
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...
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
April 14, 2025 at 11:23 AM
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...
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
April 7, 2025 at 11:59 AM
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...
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
April 7, 2025 at 9:50 AM
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...
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
March 24, 2025 at 3:33 PM
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...
Today's SQL or Death Seminar Speaker: @lloydtabb.bsky.social will present the Malloy 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-d...
[SQL Death] Malloy: A Modern Open Source Language for Analyzing, Transforming, and Modeling Data - Carnegie Mellon Database Group
In software we express our ideas through tools. In data, those tools... Read More +
db.cs.cmu.edu
March 17, 2025 at 2:29 PM
Today's SQL or Death Seminar Speaker: @lloydtabb.bsky.social will present the Malloy 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-d...
Today's SQL or Death Seminar Speaker: Jeff Shute from Google will present their Pipe Syntax Enhancements for SQL. Zoom talk open to public at 4:30pm ET. YouTube video available after: db.cs.cmu.edu/events/sql-d...
[SQL Death] Pipe Syntax in SQL: SQL for the 21st Century - Carnegie Mellon Database Group
SQL has been extremely successful as the de facto standard language for... Read More +
db.cs.cmu.edu
March 10, 2025 at 12:25 PM
Today's SQL or Death Seminar Speaker: Jeff Shute from Google will present their Pipe Syntax Enhancements for SQL. Zoom talk open to public at 4:30pm ET. YouTube video available after: db.cs.cmu.edu/events/sql-d...
Today's SQL or Death Seminar Speaker: Yash Mayya + @gortiz.bsky.social from @startreedata.bsky.social 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-d...
[SQL Death] Apache Pinot Query Optimizer - Carnegie Mellon Database Group
Apache Pinot is a distributed real-time OLAP database, part of a fast-growing... Read More +
db.cs.cmu.edu
February 24, 2025 at 5:03 PM
Today's SQL or Death Seminar Speaker: Yash Mayya + @gortiz.bsky.social from @startreedata.bsky.social 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-d...
Today's SQL or Death Seminar Speaker: The Germans (Viktor Leis + Thomas Neumann) from @tum.de want to replace SQL with Sane Intermediate Representation (SaneIR) for relational query execution. Zoom talk open to public at 4:30pm ET. YouTube video available after: db.cs.cmu.edu/events/sql-d...
[SQL Death] Towards Sanity in Query Languages - Carnegie Mellon Database Group
The relational model has stood the test of time is the foundation... Read More +
db.cs.cmu.edu
February 17, 2025 at 2:23 PM
Today's SQL or Death Seminar Speaker: The Germans (Viktor Leis + Thomas Neumann) from @tum.de want to replace SQL with Sane Intermediate Representation (SaneIR) for relational query execution. Zoom talk open to public at 4:30pm ET. YouTube video available after: db.cs.cmu.edu/events/sql-d...
Today's SQL or Death Seminar Speaker: @jamescowling.dev (@convex.dev co-founder) will profess his love for Larry Ellison and @typescriptlang.org stored procedures. Zoom talk open to public at 4:30pm ET. YouTube video available after: db.cs.cmu.edu/events/sql-d...
[SQL Death] Larry Ellison was Right (kinda)! TypeScript Stored Procedures for the Modern Age - Carnegie Mellon Database Group
No one uses SQL to write business logic. It’s written in a... Read More +
db.cs.cmu.edu
February 10, 2025 at 12:42 PM
Today's SQL or Death Seminar Speaker: @jamescowling.dev (@convex.dev co-founder) will profess his love for Larry Ellison and @typescriptlang.org stored procedures. Zoom talk open to public at 4:30pm ET. YouTube video available after: db.cs.cmu.edu/events/sql-d...
Today's Database Building Blocks Seminar Speaker: Ruihang Xia will present the GreptimeDB time-series DBMS architecture. Zoom talk open to public at 4:30pm ET. YouTube video available after: db.cs.cmu.edu/events/build...
▶️ This talk is the makeup from the earlier cancelled event from Nov 25th.
▶️ This talk is the makeup from the earlier cancelled event from Nov 25th.
Implement, Integrate and Extend a Query Engine
GreptimeDB uses Apache DataFusion and many other common building blocks in its... Read More +
db.cs.cmu.edu
December 9, 2024 at 4:34 PM
Today's Database Building Blocks Seminar Speaker: Ruihang Xia will present the GreptimeDB time-series DBMS architecture. Zoom talk open to public at 4:30pm ET. YouTube video available after: db.cs.cmu.edu/events/build...
▶️ This talk is the makeup from the earlier cancelled event from Nov 25th.
▶️ This talk is the makeup from the earlier cancelled event from Nov 25th.
Today's Database Building Blocks Seminar Speaker: Xuanwo from @databend.com will present the Apache OpenDAL framework for integrating object stores in database systems. Zoom talk open to public at 4:30pm ET. YouTube video available after: db.cs.cmu.edu/events/build...
Apache OpenDAL: One Layer, All Storage
Apache OpenDAL is an Open Data Access Layer that enables seamless interaction... Read More +
db.cs.cmu.edu
December 2, 2024 at 12:34 PM
Today's Database Building Blocks Seminar Speaker: Xuanwo from @databend.com will present the Apache OpenDAL framework for integrating object stores in database systems. Zoom talk open to public at 4:30pm ET. YouTube video available after: db.cs.cmu.edu/events/build...
Today's Database Building Blocks Seminar Speaker: Ruihang Xia will present the GreptimeDB time-series DBMS architecture. Zoom talk open to public at 4:30pm ET. YouTube video available after: db.cs.cmu.edu/events/build...
Implement, Integrate and Extend a Query Engine
GreptimeDB uses Apache DataFusion and many other common building blocks in its... Read More +
db.cs.cmu.edu
November 25, 2024 at 1:10 PM
Today's Database Building Blocks Seminar Speaker: Ruihang Xia will present the GreptimeDB time-series DBMS architecture. Zoom talk open to public at 4:30pm ET. YouTube video available after: db.cs.cmu.edu/events/build...
Today's Database Building Blocks Seminar Speaker: Sean Smith (Founder) will present the ups and downs in his journey of rewriting GlareDB to use Apache DataFusion. Zoom talk open to public at 4:30pm ET. YouTube video available after: db.cs.cmu.edu/events/build...
[Building Blocks] Biting the Bullet: Rebuilding GlareDB from the Ground Up (Sean Smith) - Carnegie Mellon Database Group
GlareDB is a database system enabling querying across a variety of data... Read More +
db.cs.cmu.edu
November 18, 2024 at 12:55 PM
Today's Database Building Blocks Seminar Speaker: Sean Smith (Founder) will present the ups and downs in his journey of rewriting GlareDB to use Apache DataFusion. Zoom talk open to public at 4:30pm ET. YouTube video available after: db.cs.cmu.edu/events/build...