# intro database systems — RSS Amplifier

Recent posts from the 6 feeds in the RSS Amplifier directory that cover intro database systems.

Page: <https://rssamplifier.com/topics/intro-database-system>  
Feed: <https://rssamplifier.com/topics/intro-database-system.md>

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## [#15 - Database Query Optimizers Part 1 (CMU Intro to Database Systems)](https://www.youtube.com/watch?v=b53huOGcsZ8)

_2025-10-28 · CMU Database Group · 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 Database Group · 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 Database Group · 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 Database Group · 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 Database Group · CMU Intro to Database Systems (15-445/645 - Fall 2025)_

## [#10 - Latching in Data Structures (CMU Intro to Database Systems)](https://www.youtube.com/watch?v=YgOvfXl6pss)

_2025-09-30 · CMU Database Group · 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 Database Group · 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 Database Group · 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 Database Group · 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 Database Group · CMU Intro to Database Systems (15-445/645 - Fall 2025)_

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_2025-09-16 · **Sponsored**_

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## [#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 Database Group · 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 Database Group · 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 Database Group · 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 Database Group · 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 Database Group · CMU Intro to Database Systems (15-445/645 - Fall 2025)_

## [#14 - Query Execution Part 2 ✸ ClickHouse Database Talk (CMU Intro to Database Systems)](https://www.youtube.com/watch?v=Vy2t_wZx4Is)

_2024-10-26 · CMU Database Group · CMU Intro to Database Systems (15-445/645 - Fall 2024)_

## [#12 - Join Algorithms: Hash, Sort-Merge, Nested Loop Joins (CMU Intro to Database Systems)](https://www.youtube.com/watch?v=MFazkaZKs1s)

_2024-10-08 · CMU Database Group · CMU Intro to Database Systems (15-445/645 - Fall 2024)_

## [#11 - Sorting & Aggregation Algorithms ✸ dbt Database Talk (CMU Intro to Database Systems)](https://www.youtube.com/watch?v=mM3sFwSuGNY)

_2024-10-03 · CMU Database Group · CMU Intro to Database Systems (15-445/645 - Fall 2024)_

## [#10 - Index Concurrency Control (CMU Intro to Database Systems)](https://www.youtube.com/watch?v=lgUNTj0Q54M)

_2024-09-30 · CMU Database Group · CMU Intro to Database Systems (15-445/645 - Fall 2024)_

## [#09 - Vector Indexes, Inverted Indexes, Filters, Tries ✸ TiDB Talk (CMU Intro to Database Systems)](https://www.youtube.com/watch?v=foMMYyycRgk)

_2024-09-26 · CMU Database Group · CMU Intro to Database Systems (15-445/645 - Fall 2024)_

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_2024-09-26 · **Sponsored**_

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## [#08 - Tree Indexes: B+Trees (CMU Intro to Database Systems)](https://www.youtube.com/watch?v=scUtG_6M_lU)

_2024-09-23 · CMU Database Group · CMU Intro to Database Systems (15-445/645 - Fall 2024)_

## [#07 - Hash Tables ✸ RelationalAI Database Talk (CMU Intro to Database Systems)](https://www.youtube.com/watch?v=VkP_yLM5KBU)

_2024-09-18 · CMU Database Group · CMU Intro to Database Systems (15-445/645 - Fall 2024)_

## [#06 - Memory & Disk I/O Management (CMU Intro to Database Systems)](https://www.youtube.com/watch?v=aoewwZwVmv4)

_2024-09-17 · CMU Database Group · CMU Intro to Database Systems (15-445/645 - Fall 2024)_

## [#05 - Row vs. Column Storage + Compression ✸ StarTree Database Talk (CMU Intro to Database Systems)](https://www.youtube.com/watch?v=nhlpwmOBEiE)

_2024-09-11 · CMU Database Group · CMU Intro to Database Systems (15-445/645 - Fall 2024)_

## [#04 - Database Storage: Log-Structured Merge Trees & Tuples (CMU Intro to Database Systems)](https://www.youtube.com/watch?v=IHtVWGhG0Xg)

_2024-09-09 · CMU Database Group · CMU Intro to Database Systems (15-445/645 - Fall 2024)_

## [#03 - Database Storage: Files & Pages ✸ Neon Database Talk (CMU Intro to Database Systems)](https://www.youtube.com/watch?v=dSxV5Sob5V8)

_2024-09-05 · CMU Database Group · CMU Intro to Database Systems (15-445/645 - Fall 2024)_

## [#02 - Modern SQL (CMU Intro to Database Systems)](https://www.youtube.com/watch?v=MzigBKf84aY)

_2024-08-29 · CMU Database Group · CMU Intro to Database Systems (15-445/645 - Fall 2024)_

## [#00 - Course Overview & Logistics (CMU Intro to Database Systems)](https://www.youtube.com/watch?v=otE2WvX3XdQ)

_2024-08-26 · CMU Database Group · CMU Intro to Database Systems (15-445/645 - Fall 2024)_