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Databases and SQL systems

Database engines, SQL, PostgreSQL, key-value stores, query processing, and distributed data storage.

19,845 stories · 277 in 30 days · Updated Sep 28, 2026

The pace of conversation

Posts per month

2020-01: 179 posts2020-02: 193 posts2020-03: 186 posts2020-04: 198 posts2020-05: 293 posts2020-06: 267 posts2020-07: 227 posts2020-08: 213 posts2020-09: 225 posts2020-10: 174 posts2020-11: 202 posts2020-12: 193 posts2021-01: 168 posts2021-02: 194 posts2021-03: 188 posts2021-04: 186 posts2021-05: 181 posts2021-06: 145 posts2021-07: 203 posts2021-08: 182 posts2021-09: 165 posts2021-10: 197 posts2021-11: 188 posts2021-12: 176 posts2022-01: 199 posts2022-02: 182 posts2022-03: 200 posts2022-04: 205 posts2022-05: 261 posts2022-06: 222 posts2022-07: 226 posts2022-08: 210 posts2022-09: 227 posts2022-10: 240 posts2022-11: 189 posts2022-12: 193 posts2023-01: 239 posts2023-02: 206 posts2023-03: 244 posts2023-04: 268 posts2023-05: 270 posts2023-06: 229 posts2023-07: 275 posts2023-08: 287 posts2023-09: 320 posts2023-10: 284 posts2023-11: 233 posts2023-12: 270 posts2024-01: 339 posts2024-02: 318 posts2024-03: 350 posts2024-04: 306 posts2024-05: 308 posts2024-06: 287 posts2024-07: 330 posts2024-08: 316 posts2024-09: 337 posts2024-10: 304 posts2024-11: 277 posts2024-12: 252 posts2025-01: 246 posts2025-02: 189 posts2025-03: 269 posts2025-04: 236 posts2025-05: 309 posts2025-06: 201 posts2025-07: 250 posts2025-08: 225 posts2025-09: 253 posts2025-10: 238 posts2025-11: 244 posts2025-12: 280 posts2026-01: 339 posts2026-02: 357 posts2026-03: 308 posts2026-04: 303 posts2026-05: 242 posts2026-06: 305 posts2026-07: 353 posts2026-08: 314 posts2026-09: 258 posts
2020-012026-09

Posts per month · first and latest months may be partial.

01 / EXPLORE THROUGH TIME

Timeline

Start with the latest. Scroll back through time, or zoom in for more.

Year by yearUp to 5 stories per year
20262,779 stories
A Preview of DuckDB v2.0↗ duckdb.org · HN · 132 comments · 720 points · Aug 17, 2026
PGSimCity - How PostgreSQL Works↗ nikolays.github.io · HN · 91 comments · 930 points · Jul 27, 2026
Postgres rewritten in Rust, now passing 100% of the Postgres regression tests↗ github.com · HN · 728 comments · 832 points · Jul 09, 2026
SQLite is all you need for durable workflows↗ obeli.sk · HN · 387 comments · 720 points · May 29, 2026
Databases in 2025: A Year in Review↗ cs.cmu.edu · HN · 192 comments · 717 points · Jan 05, 2026
20252,940 stories
Go ahead, self-host Postgres↗ pierce.dev · HN · 396 comments · 683 points · Dec 20, 2025
Pocketbase – open-source realtime back end in 1 file↗ pocketbase.io · HN · 204 comments · 671 points · Nov 28, 2025
Supabase MCP can leak your entire SQL database↗ generalanalysis.com · HN · 470 comments · 848 points · Jul 08, 2025
Working on databases from prison↗ turso.tech · HN · 534 comments · 849 points · Jun 16, 2025
Postgres IDE in VS Code↗ techcommunity.microsoft.com · HN · 407 comments · 1040 points · May 23, 2025
20243,724 stories
PostgreSQL 17↗ postgresql.org · HN · 148 comments · 661 points · Sep 26, 2024
Show HN: InstantDB – A Modern Firebase↗ github.com · HN · 297 comments · 1145 points · Aug 22, 2024
Why SQLite Uses Bytecode↗ sqlite.org · HN · 221 comments · 790 points · Apr 30, 2024
The race to replace Redis↗ lwn.net · HN · 496 comments · 759 points · Mar 28, 2024
Apache Superset↗ superset.apache.org · HN · 189 comments · 696 points · Feb 26, 2024
20233,125 stories
Spomenik Database↗ spomenikdatabase.org · HN · 19 comments · 145 points · Dec 30, 2023
PostgreSQL internals: Things to know about update statements↗ patrick.engineering · HN · 57 comments · 238 points · Dec 27, 2023
How does a B-tree make queries fast?↗ blog.allegro.tech · HN · 77 comments · 269 points · Dec 23, 2023
Database Isolation Is Broken and You Should Care↗ materializedview.io · HN · 52 comments · 121 points · Dec 22, 2023
PostgreSQL reconsiders its process-based model↗ lwn.net · HN · 35 comments · 119 points · Jun 19, 2023
20222,554 stories
Postgres WASM↗ supabase.com · HN · 185 comments · 887 points · Oct 03, 2022
I'm all-in on server-side SQLite↗ fly.io · HN · 404 comments · 1353 points · May 09, 2022
Column – a chartered bank for developers↗ column.com · HN · 282 comments · 825 points · Apr 21, 2022
Show HN: EdgeDB 1.0↗ edgedb.com · HN · 323 comments · 947 points · Feb 10, 2022
Free Postgres databases for small projects↗ fly.io · HN · 223 comments · 841 points · Jan 21, 2022
20212,173 stories
Lesser-known Postgres features↗ hakibenita.com · HN · 166 comments · 702 points · Nov 09, 2021
PostgreSQL 14↗ postgresql.org · HN · 284 comments · 941 points · Sep 30, 2021
A future for SQL on the web↗ jlongster.com · HN · 218 comments · 925 points · Aug 12, 2021
Do you really need Redis? How to get away with just PostgreSQL↗ spin.atomicobject.com · HN · 472 comments · 841 points · Jun 12, 2021
SQLite is not a toy database↗ antonz.org · HN · 354 comments · 986 points · Mar 25, 2021
20202,550 stories
DuckDB – An embeddable SQL database like SQLite, but supports Postgres features↗ duckdb.org · HN · 160 comments · 801 points · Sep 20, 2020
Jepsen Disputes MongoDB's Data Consistency Claims↗ infoq.com · HN · 399 comments · 791 points · May 23, 2020
Medium-hard SQL interview questions↗ quip.com · HN · 287 comments · 1230 points · May 02, 2020
Things I wished more developers knew about databases↗ medium.com · HN · 445 comments · 1011 points · Apr 22, 2020
“We already store data. In a database. It works well”↗ twitter.com · HN · 351 comments · 847 points · Feb 11, 2020
Scroll through time ↕

02 / CATCH UP

The conversation now

Popular stories, with attention fading over roughly two weeks.

Training a 4B model to produce 81% faster query plans than Postgres↗ rohanbansal.com · HN · 144 comments · 701 points · Sep 16, 2026
Tin: full-text search for Postgres↗ planetscale.com · HN · 98 comments · 230 points · Sep 19, 2026
Is your Postgres migration safe or not safe?↗ safenotsafe.dev · HN · 45 comments · 133 points · Sep 26, 2026
Postgres SELECT DISTINCT Does Not Scale↗ dbos.dev · HN · 28 comments · 104 points · Sep 24, 2026
Neki – Sharded Postgres↗ planetscale.com · HN · 153 comments · 280 points · Sep 10, 2026

03 / GO DEEPER

Follow your curiosity

Find a particular story, revisit a year, or see what resonated.

Highest rated · the last 30 days

Training a 4B model to produce 81% faster query plans than Postgres↗ rohanbansal.com · HN · 144 comments · 701 points · Sep 16, 2026
IBM Bob↗ bob.ibm.com · HN · 339 comments · 338 points · Sep 04, 2026
Neki – Sharded Postgres↗ planetscale.com · HN · 153 comments · 280 points · Sep 10, 2026
Tin: full-text search for Postgres↗ planetscale.com · HN · 98 comments · 230 points · Sep 19, 2026
Is your Postgres migration safe or not safe?↗ safenotsafe.dev · HN · 45 comments · 133 points · Sep 26, 2026
Postgres SELECT DISTINCT Does Not Scale↗ dbos.dev · HN · 28 comments · 104 points · Sep 24, 2026
Neki is sharded Postgres by PlanetScale↗ neki.dev · HN · 4 comments · 101 points · Sep 10, 2026
Show HN: Engrim – A universal, local-first SQLite memory engine for AI CLIs↗ github.com · HN · 64 comments · 93 points · Sep 07, 2026
PostgreSQL 19 Interactive Tour↗ victoriametrics.com · HN · 23 comments · 74 points · Sep 07, 2026
A search-and-inference database from scratch in pure Zig↗ antfly.io · HN · 19 comments · 66 points · Sep 15, 2026

10 stories shown.

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