# CMU Database Group — RSS Amplifier Everything CMU Database Group publishes, across 12 feeds in the RSS Amplifier directory. Page: Feed: --- ## [Sirius: A GPU-Native SQL Engine (Xiangyao Yu)](https://www.youtube.com/watch?v=gmXVEULVWlE) _2026-04-28 · CMU Database Group_ ## [Introduction to Floe (Kurt Westerfeld)](https://www.youtube.com/watch?v=dQ_1DkoOzG4) _2026-04-21 · CMU Database Group_ ## [VillageSQL: Decisions, Principles, & Lessons in Teaching MySQL New Tricks (Steve Schirripa)](https://www.youtube.com/watch?v=xGbNoXUovJ0) _2026-04-21 · CMU Database Group_ ## [Floe: A SQL Compute Service for the Data Lakehouse (Kurt Westerfeld + Mark Cusack)](https://www.youtube.com/watch?v=Kq3csHJqgJQ) _2026-04-15 · CMU Database Group_ ## [Multigres: Bringing Horizontal Scaling and Enterprise Operations to PostgreSQL (Sugu Sougoumarane)](https://www.youtube.com/watch?v=9_kbqi9XYE8) _2026-04-14 · CMU Database Group_ ## [Introduction to ClickHouse's Data Storage Architecture (George Larionov)](https://www.youtube.com/watch?v=gziRsJcl5_k) _2026-04-12 · CMU Database Group_ ## [SpacetimeDB → Inverting the Backend: Why We Built our MMORPG Inside a Database (Tyler Cloutier)](https://www.youtube.com/watch?v=-GhNDYCchqc) _2026-04-07 · CMU Database Group_ ## [SpiralDB: Building a Machine-scale Database (Will Manning)](https://www.youtube.com/watch?v=elLeyFMb7vU) _2026-04-03 · CMU Database Group_ ## [Pixeltable: A DBMS for Multimodal AI Applications (Marcel Kornacker)](https://www.youtube.com/watch?v=wf82I0UzRoE) _2026-03-31 · CMU Database Group_ ## [RelationalAI: Efficient Iterative and Recursive Computations Inside Databases (Amir Shaikhha)](https://www.youtube.com/watch?v=AbCvWET6rTQ) _2026-03-26 · CMU Database Group_ ## [Refer a Friend, Earn Rewards (Sponsored)](https://crawlproof.com/a/rs2ZLE06T721) _2026-03-26 · **Sponsored**_ Earn rewards when a friend signs up for the Graphite Business Card ## [TonicDB: Databases without an OS? Meet QuinineHM (Filip Obradovic)](https://www.youtube.com/watch?v=YuEPZlXBImg) _2026-03-24 · CMU Database Group_ ## [Firebolt: Modern Shuffle @ 100 GBit/second (Mosha Pasumansky)](https://www.youtube.com/watch?v=M62bhgueNjU) _2026-03-20 · CMU Database Group_ ## [YugabyteDB: Distributed PostgreSQL for Modern Apps (Hari Krishna Sunder)](https://www.youtube.com/watch?v=GYIQW_zLWE4) _2026-03-17 · CMU Database Group_ ## [turbopuffer: Object Storage-native Database for Search (Simon Eskildsen)](https://www.youtube.com/watch?v=pqoRNwNaxfs) _2026-03-10 · CMU Database Group_ ## [Chronon – Mixed-workload Data Processing Framework (Nikhil Simha)](https://www.youtube.com/watch?v=ucZrjmM11sg) _2026-02-25 · CMU Database Group_ ## [#15 - Database Query Optimizers Part 1 (CMU Intro to Database Systems)](https://www.youtube.com/watch?v=b53huOGcsZ8) _2025-10-28 · CMU Intro to Database Systems (15-445/645 - Fall 2025)_ ## [#14 - Parallel Query Engine Architectures ✸ SpiralDB Database Talk (CMU Intro to Database Systems)](https://www.youtube.com/watch?v=Kzf1hGjtZOU) _2025-10-23 · CMU Intro to Database Systems (15-445/645 - Fall 2025)_ ## [#13 - Query Execution Part 1 (CMU Intro to Database Systems)](https://www.youtube.com/watch?v=E-UUd6cB57w) _2025-10-21 · CMU Intro to Database Systems (15-445/645 - Fall 2025)_ ## [#12 - Hash Joins, Sort-Merge Joins, Nested Loop Join Algorithms (CMU Intro to Database Systems)](https://www.youtube.com/watch?v=YIdIaPopfpk) _2025-10-07 · CMU Intro to Database Systems (15-445/645 - Fall 2025)_ ## [#11 - Sorting & Aggregation Algorithms ✸ MotherDuck Database Talk (CMU Intro to Database Systems)](https://www.youtube.com/watch?v=LzyKTpeIgts) _2025-10-02 · CMU Intro to Database Systems (15-445/645 - Fall 2025)_ ## [Production-grade web engineering (Sponsored)](https://crawlproof.com/a/dfokowvlHYHG) _2025-10-02 · **Sponsored**_ Senior engineers who rebuild or launch scalable web products with enterprise rigor ## [#10 - Latching in Data Structures (CMU Intro to Database Systems)](https://www.youtube.com/watch?v=YgOvfXl6pss) _2025-09-30 · CMU Intro to Database Systems (15-445/645 - Fall 2025)_ ## [#09 - Vector Indexes + Inverted Indexes + Skip Lists + Bloom Filters (CMU Intro to Database Systems)](https://www.youtube.com/watch?v=PjST2n7abAY) _2025-09-25 · CMU Intro to Database Systems (15-445/645 - Fall 2025)_ ## [#08 - B+Trees: The Best Data Structure in the World (CMU Intro to Database Systems)](https://www.youtube.com/watch?v=u7ii_Lvm9rM) _2025-09-23 · CMU Intro to Database Systems (15-445/645 - Fall 2025)_ ## [#07 - Database Hash Tables ✸ YugabyteDB Database Talk (CMU Intro to Database Systems)](https://www.youtube.com/watch?v=nuNW8IfgPNU) _2025-09-19 · CMU Intro to Database Systems (15-445/645 - Fall 2025)_ ## [#06 - Column-Store Databases (CMU Intro to Database Systems)](https://www.youtube.com/watch?v=yWnToWrskXE) _2025-09-16 · CMU Intro to Database Systems (15-445/645 - Fall 2025)_ ## [#05 - Log-Structured Database Storage ✸ SingleStore Database Talk (CMU Intro to Database Systems)](https://www.youtube.com/watch?v=2_sTdS4h-bY) _2025-09-11 · CMU Intro to Database Systems (15-445/645 - Fall 2025)_ ## [#04 - Memory Management & Buffer Pools (CMU Intro to Database Systems)](https://www.youtube.com/watch?v=8-2yv4z0VZc) _2025-09-09 · CMU Intro to Database Systems (15-445/645 - Fall 2025)_ ## [#03 - Database Storage: Files, Pages, Tuples (CMU Intro to Database Systems)](https://www.youtube.com/watch?v=PRLXdIMJhOg) _2025-09-04 · CMU Intro to Database Systems (15-445/645 - Fall 2025)_ ## [#02 - Modern SQL ✸ dbt Database Talk (CMU Intro to Database Systems)](https://www.youtube.com/watch?v=O5gU9NQjCAs) _2025-08-28 · CMU Intro to Database Systems (15-445/645 - Fall 2025)_ ## [#01 - Relational Model & Algebra (CMU Intro to Database Systems)](https://www.youtube.com/watch?v=7NPIENPr-zk) _2025-08-26 · CMU Intro to Database Systems (15-445/645 - Fall 2025)_ ## [Browse ThreatCrush Modules (Sponsored)](https://crawlproof.com/a/tVBLgsKcxxZk) _2025-08-26 · **Sponsored**_ Install community-built security modules to extend real-time threat intelligence and monitoring ## [S2024 #14 - Query Optimizer Implementation 2 (CMU Advanced Database Systems)](https://www.youtube.com/watch?v=B9gJa5ZLg8s) _2024-03-21 · CMU Advanced Database Systems (15-721 / Spring 2024)_ ## [S2024 #13 - Query Optimizer Implementation 1 (CMU Advanced Database Systems)](https://www.youtube.com/watch?v=DwX0X8CyBSg) _2024-03-19 · CMU Advanced Database Systems (15-721 / Spring 2024)_ ## [S2024 #12 - Database Networking Protocols (CMU Advanced Database Systems)](https://www.youtube.com/watch?v=0tfDldfzlR8) _2024-03-14 · CMU Advanced Database Systems (15-721 / Spring 2024)_ ## [S2024 #11 - User-Defined Function Optimizations (CMU Advanced Database Systems)](https://www.youtube.com/watch?v=FaS-E-oq-X4) _2024-03-12 · CMU Advanced Database Systems (15-721 / Spring 2024)_ ## [S2024 #10 - Multi-Way Join Algorithms / Worst-Case Optimal Joins (CMU Advanced Database Systems)](https://www.youtube.com/watch?v=1aHT3KitTYo) _2024-02-27 · CMU Advanced Database Systems (15-721 / Spring 2024)_ ## [S2024 #09 - Parallel Hash Join Algorithms (CMU Advanced Database Systems)](https://www.youtube.com/watch?v=S40K8iGa8Ek) _2024-02-22 · CMU Advanced Database Systems (15-721 / Spring 2024)_ ## [S2024 #08 - Query Scheduling & Coordination (CMU Advanced Database Systems)](https://www.youtube.com/watch?v=VZjzKVfU46k) _2024-02-20 · CMU Advanced Database Systems (15-721 / Spring 2024)_ ## [S2024 #07 - JIT Query Compilation & Code Generation (CMU Advanced Database Systems)](https://www.youtube.com/watch?v=UPQ53hM6AWE) _2024-02-15 · CMU Advanced Database Systems (15-721 / Spring 2024)_ ## [S2024 #06 - Vectorized Query Execution Using SIMD (CMU Advanced Database Systems)](https://www.youtube.com/watch?v=yU1S8gwjGEw) _2024-02-13 · CMU Advanced Database Systems (15-721 / Spring 2024)_ ## [S2024 #05 - Query Execution & Processing Part 2 (CMU Advanced Database Systems)](https://www.youtube.com/watch?v=et54i_Rplik) _2024-02-08 · CMU Advanced Database Systems (15-721 / Spring 2024)_ ## [S2024 #04 - Query Execution & Processing Part 1 (CMU Advanced Database Systems)](https://www.youtube.com/watch?v=tsbbwiWw9VE) _2024-02-06 · CMU Advanced Database Systems (15-721 / Spring 2024)_ ## [S2024 #03 - Data Formats & Encoding Part 2 (CMU Advanced Database Systems)](https://www.youtube.com/watch?v=h3EOs7GH7hM) _2024-01-30 · CMU Advanced Database Systems (15-721 / Spring 2024)_ ## [S2024 #02 - Data Formats & Encoding Part 1 (CMU Advanced Database Systems)](https://www.youtube.com/watch?v=1hdynBJo3ew) _2024-01-25 · CMU Advanced Database Systems (15-721 / Spring 2024)_ ## [S2024 #01 - Modern OLAP Database Systems (CMU Advanced Database Systems)](https://www.youtube.com/watch?v=5J-I8Mj8tss) _2024-01-23 · CMU Advanced Database Systems (15-721 / Spring 2024)_ ## [S2024 #00 - Course Overview & Logistics (CMU Advanced Database Systems)](https://www.youtube.com/watch?v=NLycrsJ1jI8) _2024-01-18 · CMU Advanced Database Systems (15-721 / Spring 2024)_ ## [F2023 #14 - Query Planning & Optimization (CMU Intro to Database Systems)](https://www.youtube.com/watch?v=ePGPVJCyCAk) _2023-10-26 · CMU Intro to Database Systems (15-445/645 - Fall 2023)_ ## [F2023 #13 - Query Execution Part 2 (CMU Intro to Database Systems)](https://www.youtube.com/watch?v=MUjS0tIDnEE) _2023-10-24 · CMU Intro to Database Systems (15-445/645 - Fall 2023)_ ## [F2023 #12 - Query Execution Part 1 (CMU Intro to Database Systems)](https://www.youtube.com/watch?v=3F3FWgujN9Q) _2023-10-10 · CMU Intro to Database Systems (15-445/645 - Fall 2023)_ ## [F2023 #11 - Join Algorithms (CMU Intro to Database Systems)](https://www.youtube.com/watch?v=RFaOmqxJf_M) _2023-10-05 · CMU Intro to Database Systems (15-445/645 - Fall 2023)_ ## [F2023 #10 - Sorting & Aggregation Algorithms (CMU Intro to Database Systems)](https://www.youtube.com/watch?v=DOu7SVUbuuM) _2023-10-04 · CMU Intro to Database Systems (15-445/645 - Fall 2023)_