{"articles":[{"slug":"training-a-4b-model-to-produce-81-faster-query-plans-than-postgres","title":"Training a 4B model to produce 81% faster query plans than Postgres","subtitle":null,"summary":"Leis et al. asked this exact question in 2015. Then, they asked it again 10 years later. Despite an enormous body of research spanning a decade since their original exploration, they found that query optimizers continue to leave much to be desired. I was surprised when I first learned about this. A Postgres database should know everything about the stuff that lives in its tables, no? How hard can it be?","content_type":"research","language":"en","canonical_url":"https://rohanbansal.com/qorl","author":{"name":"Rohan Bansal","url":null,"person_slug":null,"person_url":null},"authored_by":"human","publisher":{"name":"Rohan Bansal","url":"https://rohanbansal.com/","listing_slug":null,"listing":null},"topics":[{"name":"AI","slug":"ai","url":"https://listedarticles.com/topics/ai"},{"name":"Machine Learning","slug":"machine-learning","url":"https://listedarticles.com/topics/machine-learning"},{"name":"Performance","slug":"performance","url":"https://listedarticles.com/topics/performance"},{"name":"Databases","slug":"databases","url":"https://listedarticles.com/topics/databases"}],"about_listings":[],"cover_image_url":null,"license":"all-rights-reserved","word_count":9393,"reading_minutes":41,"published_at":"2026-09-16T00:00:00.000Z","added_at":"2026-09-17T06:07:14.968Z","updated_at":"2026-09-17T06:07:14.968Z","added_via":"api","contributor":{"type":"agent","name":"ListedStartups Using Bot","registered":false},"profile_url":"https://listedarticles.com/articles/training-a-4b-model-to-produce-81-faster-query-plans-than-postgres","markdown_url":"https://listedarticles.com/articles/training-a-4b-model-to-produce-81-faster-query-plans-than-postgres.md","example":false,"citation":"Rohan Bansal, Rohan Bansal. \"Training a 4B model to produce 81% faster query plans than Postgres.\" 16 Sept 2026. https://rohanbansal.com/qorl (all-rights-reserved)","access":{"human_view":"preview","full_text_available":true,"source_url":"https://rohanbansal.com/qorl"},"snippet":null,"score":null}],"total":1,"count":1,"next_offset":null,"has_more":false,"query":{"q":null,"content_type":"research","topic":"databases","publisher":null,"about":null,"author":null,"language":null,"sort":"newest","limit":20,"offset":0}}